Il numero romano MDLXXVIII nel sistema decimale vale: 1578.
MDLXXVIII in latino si scrive mille quingenti septuaginta octo,
mentre in italiano millecinquecentosettantotto.
MDLIX, MDLX, MDLXI, MDLXII, MDLXIII, MDLXIV, MDLXV, MDLXVI, MDLXVII, MDLXVIII, MDLXIX, MDLXX, MDLXXI, MDLXXII, MDLXXIII, MDLXXIV, MDLXXV, MDLXXVI, MDLXXVII, MDLXXIX, MDLXXX, MDLXXXI, MDLXXXII, MDLXXXIII, MDLXXXIV, MDLXXXV, MDLXXXVI, MDLXXXVII, MDLXXXVIII, MDLXXXIX, MDXC, MDXCI, MDXCII, MDXCIII, MDXCIV, MDXCV, MDXCVI, MDXCVII