477660831 has 16 divisors (see below), whose sum is σ = 643769856. Its totient is φ = 315007616.

The previous prime is 477660809. The next prime is 477660839. The reversal of 477660831 is 138066774.

It is a cyclic number.

It is not a de Polignac number, because 477660831 - 2¹⁰ = 477659807 is a prime.

It is a super-2 number, since 2×477660831² = 456319738943221122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477660839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230506 + ... + 232568.

It is an arithmetic number, because the mean of its divisors is an integer number (40235616).

Almost surely, 2^477660831 is an apocalyptic number.

477660831 is a deficient number, since it is larger than the sum of its proper divisors (166109025).

477660831 is a wasteful number, since it uses less digits than its factorization.

477660831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2862.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 477660831 is about 21855.4531181579. The cubic root of 477660831 is about 781.6995764083.

The spelling of 477660831 in words is "four hundred seventy-seven million, six hundred sixty thousand, eight hundred thirty-one".