477491664 has 40 divisors (see below), whose sum is σ = 1328408032. Its totient is φ = 146920320.

The previous prime is 477491657. The next prime is 477491671. The reversal of 477491664 is 466194774.

It is an interprime number because it is at equal distance from previous prime (477491657) and next prime (477491671).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381982 + ... + 383229.

Almost surely, 2^477491664 is an apocalyptic number.

It is an amenable number.

477491664 is an abundant number, since it is smaller than the sum of its proper divisors (850916368).

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

477491664 is a wasteful number, since it uses less digits than its factorization.

477491664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765235 (or 765229 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 48.

The square root of 477491664 is about 21851.5826429117. The cubic root of 477491664 is about 781.6072840132.

The spelling of 477491664 in words is "four hundred seventy-seven million, four hundred ninety-one thousand, six hundred sixty-four".