Il numero romano MMMMCDXCVII nel sistema decimale vale: 4497.
MMMMCDXCVII in latino si scrive quattuor milia quadringenti nonaginta septem,
mentre in italiano quattromilaquattrocentonovantasette.
MMMMCDLXXVIII, MMMMCDLXXIX, MMMMCDLXXX, MMMMCDLXXXI, MMMMCDLXXXII, MMMMCDLXXXIII, MMMMCDLXXXIV, MMMMCDLXXXV, MMMMCDLXXXVI, MMMMCDLXXXVII, MMMMCDLXXXVIII, MMMMCDLXXXIX, MMMMCDXC, MMMMCDXCI, MMMMCDXCII, MMMMCDXCIII, MMMMCDXCIV, MMMMCDXCV, MMMMCDXCVI, MMMMCDXCVIII, MMMMCDXCIX, MMMMD, MMMMDI, MMMMDII, MMMMDIII, MMMMDIV, MMMMDV, MMMMDVI, MMMMDVII, MMMMDVIII, MMMMDIX, MMMMDX, MMMMDXI, MMMMDXII, MMMMDXIII, MMMMDXIV, MMMMDXV, MMMMDXVI