noun

• (seventy-seven) the natural number following 76 and preceding 78.
• a Spanish/Catalan hard rock band from Barcelona, formed in 2006 by brothers Armand Valeta and LG Valeta.
• a double album and third full-length album by Nude Beach released on Don Giovanni Records in 2014.
• "77" is a song performed by Mexican singer Peso Pluma and American reggaeton rapper Eladio Carrión.