Fait général: 2377 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 2377 is a value of n for which one less than the product of the first n primes is prime.
Culture générale: 2377 is an uninteresting number.
Date historique: July 4th is the day in 1610 that the Battle of Klushino between forces of the Polish–Lithuanian Commonwealth and Russia during the Polish-Muscovite War.