Fatto matematico: 2787 is a value of n for which the first n binary digits of p form a prime.
Trivia: 2787 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: August 18th is the day in 1958 that Brojen Das from Bangladesh swims across the English Channel in a competition, as the first Bangali as well as the first Asian to ever do it.