477256667 has 4 divisors (see below), whose sum is σ = 478035840. Its totient is φ = 476477496.

The previous prime is 477256651. The next prime is 477256669. The reversal of 477256667 is 766652774.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 477256667 - 2⁴ = 477256651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (477256669) 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, 388667 + ... + 389892.

It is an arithmetic number, because the mean of its divisors is an integer number (119508960).

Almost surely, 2^477256667 is an apocalyptic number.

477256667 is a deficient number, since it is larger than the sum of its proper divisors (779173).

477256667 is an equidigital number, since it uses as much as digits as its factorization.

477256667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779172.

The product of its digits is 2963520, while the sum is 50.

The square root of 477256667 is about 21846.2048649188. The cubic root of 477256667 is about 781.4790405828.

The spelling of 477256667 in words is "four hundred seventy-seven million, two hundred fifty-six thousand, six hundred sixty-seven".