477915980 has 12 divisors (see below), whose sum is σ = 1003623600. Its totient is φ = 191166384.

The previous prime is 477915979. The next prime is 477916001. The reversal of 477915980 is 89519774.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11947880 + ... + 11947919.

It is an arithmetic number, because the mean of its divisors is an integer number (83635300).

Almost surely, 2^477915980 is an apocalyptic number.

It is an amenable number.

477915980 is an abundant number, since it is smaller than the sum of its proper divisors (525707620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

477915980 is a wasteful number, since it uses less digits than its factorization.

477915980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23895808 (or 23895806 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 50.

The square root of 477915980 is about 21861.2895319558. The cubic root of 477915980 is about 781.8387367705.

The spelling of 477915980 in words is "four hundred seventy-seven million, nine hundred fifteen thousand, nine hundred eighty".