Il numero romano MMMMDCCXCVII nel sistema decimale vale: 4797.
MMMMDCCXCVII in latino si scrive quattuor milia septingenti nonaginta septem,
mentre in italiano quattromilasettecentonovantasette.
MMMMDCCLXXVIII, MMMMDCCLXXIX, MMMMDCCLXXX, MMMMDCCLXXXI, MMMMDCCLXXXII, MMMMDCCLXXXIII, MMMMDCCLXXXIV, MMMMDCCLXXXV, MMMMDCCLXXXVI, MMMMDCCLXXXVII, MMMMDCCLXXXVIII, MMMMDCCLXXXIX, MMMMDCCXC, MMMMDCCXCI, MMMMDCCXCII, MMMMDCCXCIII, MMMMDCCXCIV, MMMMDCCXCV, MMMMDCCXCVI, MMMMDCCXCVIII, MMMMDCCXCIX, MMMMDCCC, MMMMDCCCI, MMMMDCCCII, MMMMDCCCIII, MMMMDCCCIV, MMMMDCCCV, MMMMDCCCVI, MMMMDCCCVII, MMMMDCCCVIII, MMMMDCCCIX, MMMMDCCCX, MMMMDCCCXI, MMMMDCCCXII, MMMMDCCCXIII, MMMMDCCCXIV, MMMMDCCCXV, MMMMDCCCXVI