476347957 has 4 divisors (see below), whose sum is σ = 483457696. Its totient is φ = 469238220.

The previous prime is 476347943. The next prime is 476347979. The reversal of 476347957 is 759743674.

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 a de Polignac number, because none of the positive numbers 2^k-476347957 is a prime.

It is a super-2 number, since 2×476347957² = 453814752276147698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (476347987) 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, 3554769 + ... + 3554902.

It is an arithmetic number, because the mean of its divisors is an integer number (120864424).

Almost surely, 2^476347957 is an apocalyptic number.

It is an amenable number.

476347957 is a deficient number, since it is larger than the sum of its proper divisors (7109739).

476347957 is an equidigital number, since it uses as much as digits as its factorization.

476347957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7109738.

The product of its digits is 4445280, while the sum is 52.

The square root of 476347957 is about 21825.3970639711. The cubic root of 476347957 is about 780.9827394986.

The spelling of 476347957 in words is "four hundred seventy-six million, three hundred forty-seven thousand, nine hundred fifty-seven".