Fatto generale: 27977 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 27977 is an unremarkable number.
Trivia: 27977 is an uninteresting number.
Data storica: 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.