476392479057889 has 3 divisors (see below), whose sum is σ = 476392500884307. Its totient is φ = 476392457231472.

The previous prime is 476392479057881. The next prime is 476392479057973. The reversal of 476392479057889 is 988750974293674.

The square root of 476392479057889 is 21826417.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 199143604830625 + 277248874227264 = 14111825^2 + 16650792^2 .

It is not a de Polignac number, because 476392479057889 - 2³ = 476392479057881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (476392479057881) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 10913209 + ... + 32739625.

It is an arithmetic number, because the mean of its divisors is an integer number (158797500294769).

Almost surely, 2^{476392479057889} is an apocalyptic number.

476392479057889 is the 21826417-th square number.

476392479057889 is the 10913209-th centered octagonal number.

It is an amenable number.

476392479057889 is a deficient number, since it is larger than the sum of its proper divisors (21826418).

476392479057889 is an frugal number, since it uses more digits than its factorization.

476392479057889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43652834 (or 21826417 counting only the distinct ones).

The product of its (nonzero) digits is 46088663040, while the sum is 88.

The spelling of 476392479057889 in words is "four hundred seventy-six trillion, three hundred ninety-two billion, four hundred seventy-nine million, fifty-seven thousand, eight hundred eighty-nine".