56672777 has 8 divisors (see below), whose sum is σ = 65342976. Its totient is φ = 48146112.

The previous prime is 56672771. The next prime is 56672807. The reversal of 56672777 is 77727665.

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

It is not a de Polignac number, because 56672777 - 2⁸ = 56672521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56672771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35033 + ... + 36614.

It is an arithmetic number, because the mean of its divisors is an integer number (8167872).

Almost surely, 2^56672777 is an apocalyptic number.

It is an amenable number.

56672777 is a deficient number, since it is larger than the sum of its proper divisors (8670199).

56672777 is a wasteful number, since it uses less digits than its factorization.

56672777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71767.

The product of its digits is 864360, while the sum is 47.

The square root of 56672777 is about 7528.1323713123. The cubic root of 56672777 is about 384.1122560442.

The spelling of 56672777 in words is "fifty-six million, six hundred seventy-two thousand, seven hundred seventy-seven".