Il numero romano MCCCLXXVII nel sistema decimale vale: 1377.
MCCCLXXVII in latino si scrive mille trecenti septuaginta septem,
mentre in italiano milletrecentosettantasette.
MCCCLVIII, MCCCLIX, MCCCLX, MCCCLXI, MCCCLXII, MCCCLXIII, MCCCLXIV, MCCCLXV, MCCCLXVI, MCCCLXVII, MCCCLXVIII, MCCCLXIX, MCCCLXX, MCCCLXXI, MCCCLXXII, MCCCLXXIII, MCCCLXXIV, MCCCLXXV, MCCCLXXVI, MCCCLXXVIII, MCCCLXXIX, MCCCLXXX, MCCCLXXXI, MCCCLXXXII, MCCCLXXXIII, MCCCLXXXIV, MCCCLXXXV, MCCCLXXXVI, MCCCLXXXVII, MCCCLXXXVIII, MCCCLXXXIX, MCCCXC, MCCCXCI, MCCCXCII, MCCCXCIII, MCCCXCIV, MCCCXCV, MCCCXCVI