Il numero romano MMCMLXXVII nel sistema decimale vale: 2977.
MMCMLXXVII in latino si scrive duo milia nongenti septuaginta septem,
mentre in italiano duemilanovecentosettantasette.
MMCMLVIII, MMCMLIX, MMCMLX, MMCMLXI, MMCMLXII, MMCMLXIII, MMCMLXIV, MMCMLXV, MMCMLXVI, MMCMLXVII, MMCMLXVIII, MMCMLXIX, MMCMLXX, MMCMLXXI, MMCMLXXII, MMCMLXXIII, MMCMLXXIV, MMCMLXXV, MMCMLXXVI, MMCMLXXVIII, MMCMLXXIX, MMCMLXXX, MMCMLXXXI, MMCMLXXXII, MMCMLXXXIII, MMCMLXXXIV, MMCMLXXXV, MMCMLXXXVI, MMCMLXXXVII, MMCMLXXXVIII, MMCMLXXXIX, MMCMXC, MMCMXCI, MMCMXCII, MMCMXCIII, MMCMXCIV, MMCMXCV, MMCMXCVI