The Roman numeral CDLXXVII corresponds to the Arabic number 477.
CDLXXVII = 477
Symbols are written and read from left to right, from highest to lowest.
If number CDLXXVII is within to text or sentence it should be read in its equivalent in Arabic numbers, in this case 477.
CDLXXVI is number 476
CDLXXVIII is number 478
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