476638457564 has 24 divisors (see below), whose sum is σ = 841102128048. Its totient is φ = 236331025920.

The previous prime is 476638457551. The next prime is 476638457587. The reversal of 476638457564 is 465754836674.

It is a self number, because there is not a number n which added to its sum of digits gives 476638457564.

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, 676922 + ... + 1188065.

It is an arithmetic number, because the mean of its divisors is an integer number (35045922002).

Almost surely, 2^476638457564 is an apocalyptic number.

It is an amenable number.

476638457564 is a deficient number, since it is larger than the sum of its proper divisors (364463670484).

476638457564 is a wasteful number, since it uses less digits than its factorization.

476638457564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865525 (or 1865523 counting only the distinct ones).

The product of its digits is 406425600, while the sum is 65.

The spelling of 476638457564 in words is "four hundred seventy-six billion, six hundred thirty-eight million, four hundred fifty-seven thousand, five hundred sixty-four".