476647647 has 24 divisors (see below), whose sum is σ = 756493056. Its totient is φ = 266032368.

The previous prime is 476647609. The next prime is 476647651. The reversal of 476647647 is 746746674.

It is not a de Polignac number, because 476647647 - 2⁷ = 476647519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 476647647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (476647687) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31383 + ... + 44024.

It is an arithmetic number, because the mean of its divisors is an integer number (31520544).

Almost surely, 2^476647647 is an apocalyptic number.

476647647 is a deficient number, since it is larger than the sum of its proper divisors (279845409).

476647647 is a wasteful number, since it uses less digits than its factorization.

476647647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75467 (or 75460 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 51.

The square root of 476647647 is about 21832.2616098287. The cubic root of 476647647 is about 781.1464879007.

The spelling of 476647647 in words is "four hundred seventy-six million, six hundred forty-seven thousand, six hundred forty-seven".