Il numero romano CDLXXVII nel sistema decimale vale: 477.
CDLXXVII in latino si scrive quadringenti septuaginta septem,
mentre in italiano quattrocentosettantasette.
CDLVIII, CDLIX, CDLX, CDLXI, CDLXII, CDLXIII, CDLXIV, CDLXV, CDLXVI, CDLXVII, CDLXVIII, CDLXIX, CDLXX, CDLXXI, CDLXXII, CDLXXIII, CDLXXIV, CDLXXV, CDLXXVI, CDLXXVIII, CDLXXIX, CDLXXX, CDLXXXI, CDLXXXII, CDLXXXIII, CDLXXXIV, CDLXXXV, CDLXXXVI, CDLXXXVII, CDLXXXVIII, CDLXXXIX, CDXC, CDXCI, CDXCII, CDXCIII, CDXCIV, CDXCV, CDXCVI