Il numero romano MCLXXVII nel sistema decimale vale: 1177.
MCLXXVII in latino si scrive mille centum septuaginta septem,
mentre in italiano millecentosettantasette.
MCLVIII, MCLIX, MCLX, MCLXI, MCLXII, MCLXIII, MCLXIV, MCLXV, MCLXVI, MCLXVII, MCLXVIII, MCLXIX, MCLXX, MCLXXI, MCLXXII, MCLXXIII, MCLXXIV, MCLXXV, MCLXXVI, MCLXXVIII, MCLXXIX, MCLXXX, MCLXXXI, MCLXXXII, MCLXXXIII, MCLXXXIV, MCLXXXV, MCLXXXVI, MCLXXXVII, MCLXXXVIII, MCLXXXIX, MCXC, MCXCI, MCXCII, MCXCIII, MCXCIV, MCXCV, MCXCVI