Il numero romano MMMDLXXVIII nel sistema decimale vale: 3578.
MMMDLXXVIII in latino si scrive tria milia quingenti septuaginta octo,
mentre in italiano tremilacinquecentosettantotto.
MMMDLIX, MMMDLX, MMMDLXI, MMMDLXII, MMMDLXIII, MMMDLXIV, MMMDLXV, MMMDLXVI, MMMDLXVII, MMMDLXVIII, MMMDLXIX, MMMDLXX, MMMDLXXI, MMMDLXXII, MMMDLXXIII, MMMDLXXIV, MMMDLXXV, MMMDLXXVI, MMMDLXXVII, MMMDLXXIX, MMMDLXXX, MMMDLXXXI, MMMDLXXXII, MMMDLXXXIII, MMMDLXXXIV, MMMDLXXXV, MMMDLXXXVI, MMMDLXXXVII, MMMDLXXXVIII, MMMDLXXXIX, MMMDXC, MMMDXCI, MMMDXCII, MMMDXCIII, MMMDXCIV, MMMDXCV, MMMDXCVI, MMMDXCVII