https://blogs.sas.com/content/iml/2016/03/28/save-descriptive-statistics-multiple-variables-sas-data-set.html

Proc Means

Output to screen

/* can produce 38 descriptive statistics */ 
proc means data=sashelp.cars nolabels
           N Mean Std Min Q1 Median Q3 Max;   /* specify the statistics */
run;       /* omit VAR statement to analyze all numerical variables */

Output to dataset with ODS

ods exclude all;                  /* suppress display to open ODS destinations */
proc means data=sashelp.cars 
           N Mean Std Min Q1 MEDIAN Q3 Max  /* type every statistic you want */
           STACKODSOUTPUT;        /* preserve table form of output */
ods output Summary=MeansSummary;  /* write statistics to data set */
run;
ods exclude none;                 /* restore normal display of tables */

Proc Univariate

proc univariate data=sashelp.cars outtable=UniSummary NORMAL noprint;
run;            /* omit VAR statement to analyze all numerical variables */

proc contents data=UniSummary short;
run;

proc print data=UniSummary label;
   var _var_ _label_ _NObs_ _Mean_ _Std_ _Min_ _Max_;
run;