476472857 has 4 divisors (see below), whose sum is σ = 544540416. Its totient is φ = 408405300.

The previous prime is 476472851. The next prime is 476472859. The reversal of 476472857 is 758274674.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 476472857 - 2¹⁰ = 476471833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (476472851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34033769 + ... + 34033782.

It is an arithmetic number, because the mean of its divisors is an integer number (136135104).

Almost surely, 2^476472857 is an apocalyptic number.

It is an amenable number.

476472857 is a deficient number, since it is larger than the sum of its proper divisors (68067559).

476472857 is an equidigital number, since it uses as much as digits as its factorization.

476472857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68067558.

The product of its digits is 2634240, while the sum is 50.

The square root of 476472857 is about 21828.2582218554. The cubic root of 476472857 is about 781.0509922807.

The spelling of 476472857 in words is "four hundred seventy-six million, four hundred seventy-two thousand, eight hundred fifty-seven".