Fatto generale: 787 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 787 is a palindrome in base 3 and in base 10.
Trivia: 787 is an unremarkable number.
Data storica: February 25th is the day in 1971 that the first unit of the Pickering Nuclear Generating Station, the first commercial nuclear power station in Canada, goes online.