476157961764 has 81 divisors (see below), whose sum is σ = 1270514045073. Its totient is φ = 150340830624.

The previous prime is 476157961759. The next prime is 476157961787. The reversal of 476157961764 is 467169751674.

The square root of 476157961764 is 690042.

It is a perfect power (a square), and thus also a powerful number.

476157961764 is a `hidden beast` number, since 4 + 7 + 6 + 1 + 5 + 7 + 9 + 617 + 6 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 34741232100 + 441416729664 = 186390^2 + 664392^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 78661762 + ... + 78667814.

Almost surely, 2^476157961764 is an apocalyptic number.

476157961764 is the 690042-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 476157961764

476157961764 is an abundant number, since it is smaller than the sum of its proper divisors (794356083309).

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

476157961764 is an equidigital number, since it uses as much as digits as its factorization.

476157961764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12154 (or 6077 counting only the distinct ones).

The product of its digits is 53343360, while the sum is 63.

The spelling of 476157961764 in words is "four hundred seventy-six billion, one hundred fifty-seven million, nine hundred sixty-one thousand, seven hundred sixty-four".