477438657 has 8 divisors (see below), whose sum is σ = 657120000. Its totient is φ = 308024880.

The previous prime is 477438617. The next prime is 477438667. The reversal of 477438657 is 756834774.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 477438657 - 2⁷ = 477438529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (477438617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2566782 + ... + 2566967.

It is an arithmetic number, because the mean of its divisors is an integer number (82140000).

Almost surely, 2^477438657 is an apocalyptic number.

It is an amenable number.

477438657 is a deficient number, since it is larger than the sum of its proper divisors (179681343).

477438657 is a wasteful number, since it uses less digits than its factorization.

477438657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5133783.

The product of its digits is 3951360, while the sum is 51.

The square root of 477438657 is about 21850.3697222724. The cubic root of 477438657 is about 781.5783605132.

The spelling of 477438657 in words is "four hundred seventy-seven million, four hundred thirty-eight thousand, six hundred fifty-seven".