56875377667 has 4 divisors (see below), whose sum is σ = 60220988136. Its totient is φ = 53529767200.

The previous prime is 56875377619. The next prime is 56875377679. The reversal of 56875377667 is 76677357865.

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 56875377667 - 2¹⁵ = 56875344899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56875374667) 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, 1672805209 + ... + 1672805242.

It is an arithmetic number, because the mean of its divisors is an integer number (15055247034).

Almost surely, 2^56875377667 is an apocalyptic number.

56875377667 is a deficient number, since it is larger than the sum of its proper divisors (3345610469).

56875377667 is a wasteful number, since it uses less digits than its factorization.

56875377667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3345610468.

The product of its digits is 311169600, while the sum is 67.

The spelling of 56875377667 in words is "fifty-six billion, eight hundred seventy-five million, three hundred seventy-seven thousand, six hundred sixty-seven".