Il numero romano MMMDCCLXXVIII nel sistema decimale vale: 3778.
MMMDCCLXXVIII in latino si scrive tria milia septingenti septuaginta octo,
mentre in italiano tremilasettecentosettantotto.
MMMDCCLIX, MMMDCCLX, MMMDCCLXI, MMMDCCLXII, MMMDCCLXIII, MMMDCCLXIV, MMMDCCLXV, MMMDCCLXVI, MMMDCCLXVII, MMMDCCLXVIII, MMMDCCLXIX, MMMDCCLXX, MMMDCCLXXI, MMMDCCLXXII, MMMDCCLXXIII, MMMDCCLXXIV, MMMDCCLXXV, MMMDCCLXXVI, MMMDCCLXXVII, MMMDCCLXXIX, MMMDCCLXXX, MMMDCCLXXXI, MMMDCCLXXXII, MMMDCCLXXXIII, MMMDCCLXXXIV, MMMDCCLXXXV, MMMDCCLXXXVI, MMMDCCLXXXVII, MMMDCCLXXXVIII, MMMDCCLXXXIX, MMMDCCXC, MMMDCCXCI, MMMDCCXCII, MMMDCCXCIII, MMMDCCXCIV, MMMDCCXCV, MMMDCCXCVI, MMMDCCXCVII