Hecho general: 787 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 787 is a palindrome in base 3 and in base 10.
Trivia: 787 is an uninteresting number.
Fecha histórica: February 25th is the day in 1964 that North Korean Prime Minister Kim Il-sung calls for the removal of feudalistic land ownership aimed at turning all cooperative farms into state-run ones.