476971217 has 4 divisors (see below), whose sum is σ = 497709120. Its totient is φ = 456233316.

The previous prime is 476971211. The next prime is 476971237. The reversal of 476971217 is 712179674.

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 476971217 - 2⁶ = 476971153 is a prime.

It is a super-2 number, since 2×476971217² = 455003083692922178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (476971211) 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, 10368917 + ... + 10368962.

It is an arithmetic number, because the mean of its divisors is an integer number (124427280).

Almost surely, 2^476971217 is an apocalyptic number.

It is an amenable number.

476971217 is a deficient number, since it is larger than the sum of its proper divisors (20737903).

476971217 is a wasteful number, since it uses less digits than its factorization.

476971217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20737902.

The product of its digits is 148176, while the sum is 44.

The square root of 476971217 is about 21839.6707163821. The cubic root of 476971217 is about 781.3232071175.

The spelling of 476971217 in words is "four hundred seventy-six million, nine hundred seventy-one thousand, two hundred seventeen".