General fact: 27977 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 27977 is a boring number.
Trivia: 27977 is an uninteresting number.
Historical date: August 5th is the day in 1925 that Plaid Cymru is formed with the aim of disseminating knowledge of the Welsh language that is at the time in danger of dying out.