Fatto matematico: 9377 is a value of n for which n, 2n, 3n, and 4n all use the same number of digits in Roman numerals.
Trivia: 9377 is an uninteresting number.
Data storica: September 2nd is the day in 1666 that the Great Fire of London breaks out and burns for three days, destroying 10,000 buildings including St Paul's Cathedral.