Il numero romano MCCCLXXXVII nel sistema decimale vale: 1387.
MCCCLXXXVII in latino si scrive mille trecenti octoginta septem,
mentre in italiano milletrecentottantasette.
MCCCLXVIII, MCCCLXIX, MCCCLXX, MCCCLXXI, MCCCLXXII, MCCCLXXIII, MCCCLXXIV, MCCCLXXV, MCCCLXXVI, MCCCLXXVII, MCCCLXXVIII, MCCCLXXIX, MCCCLXXX, MCCCLXXXI, MCCCLXXXII, MCCCLXXXIII, MCCCLXXXIV, MCCCLXXXV, MCCCLXXXVI, MCCCLXXXVIII, MCCCLXXXIX, MCCCXC, MCCCXCI, MCCCXCII, MCCCXCIII, MCCCXCIV, MCCCXCV, MCCCXCVI, MCCCXCVII, MCCCXCVIII, MCCCXCIX, MCD, MCDI, MCDII, MCDIII, MCDIV, MCDV, MCDVI