476866972496656 has 135 divisors (see below), whose sum is σ = 1081061430556149. Its totient is φ = 203183174646144.

The previous prime is 476866972496653. The next prime is 476866972496659. The reversal of 476866972496656 is 656694279668674.

The square root of 476866972496656 is 21837284.

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

It is an interprime number because it is at equal distance from previous prime (476866972496653) and next prime (476866972496659).

It can be written as a sum of positive squares in only one way, i.e., 476429279107600 + 437693389056 = 21827260^2 + 661584^2 .

It is not an unprimeable number, because it can be changed into a prime (476866972496653) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 109448465230 + ... + 109448469586.

Almost surely, 2^{476866972496656} is an apocalyptic number.

476866972496656 is the 21837284-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 476866972496656

476866972496656 is an abundant number, since it is smaller than the sum of its proper divisors (604194458059493).

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

476866972496656 is an frugal number, since it uses more digits than its factorization.

476866972496656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9094 (or 4545 counting only the distinct ones).

The product of its digits is 237027409920, while the sum is 91.

The spelling of 476866972496656 in words is "four hundred seventy-six trillion, eight hundred sixty-six billion, nine hundred seventy-two million, four hundred ninety-six thousand, six hundred fifty-six".