477716331 has 4 divisors (see below), whose sum is σ = 636955112. Its totient is φ = 318477552.

The previous prime is 477716299. The next prime is 477716347. The reversal of 477716331 is 133617774.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 477716331 - 2⁵ = 477716299 is a prime.

It is a super-2 number, since 2×477716331² = 456425785808203122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 477716331.

It is not an unprimeable number, because it can be changed into a prime (477716381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79619386 + ... + 79619391.

It is an arithmetic number, because the mean of its divisors is an integer number (159238778).

Almost surely, 2^477716331 is an apocalyptic number.

477716331 is a deficient number, since it is larger than the sum of its proper divisors (159238781).

477716331 is a wasteful number, since it uses less digits than its factorization.

477716331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159238780.

The product of its digits is 74088, while the sum is 39.

The square root of 477716331 is about 21856.7227872799. The cubic root of 477716331 is about 781.7298507811.

The spelling of 477716331 in words is "four hundred seventy-seven million, seven hundred sixteen thousand, three hundred thirty-one".