to_char(123456789, '999999999')
postgres=# SELECT to_char(123456789, '999G999G999D99') AS formatted, postgres-# to_char(123456789, '999999999') AS just_digits, postgres-# to_char(123456789, '00999999999') AS with_zeroes; formatted | just_digits | with_zeroes -----------------+-------------+-------------- 123,456,789.00 | 123456789 | 00123456789 (1 row) postgres=# postgres=#