477996816 has 40 divisors (see below), whose sum is σ = 1347083424. Its totient is φ = 144847360.

The previous prime is 477996797. The next prime is 477996817. The reversal of 477996816 is 618699774.

It is a super-2 number, since 2×477996816² = 456961912212275712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (477996817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452121 + ... + 453176.

Almost surely, 2^477996816 is an apocalyptic number.

It is an amenable number.

477996816 is an abundant number, since it is smaller than the sum of its proper divisors (869086608).

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

477996816 is a wasteful number, since it uses less digits than its factorization.

477996816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905319 (or 905313 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 57.

The square root of 477996816 is about 21863.1382925691. The cubic root of 477996816 is about 781.8828150575.

It can be divided in two parts, 47799 and 6816, that added together give a triangular number (54615 = T₃₃₀).

The spelling of 477996816 in words is "four hundred seventy-seven million, nine hundred ninety-six thousand, eight hundred sixteen".