56077861827 has 16 divisors (see below), whose sum is σ = 80903691008. Its totient is φ = 34345896480.

The previous prime is 56077861823. The next prime is 56077861831. The reversal of 56077861827 is 72816877065.

It is an interprime number because it is at equal distance from previous prime (56077861823) and next prime (56077861831).

It is not a de Polignac number, because 56077861827 - 2² = 56077861823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56077861823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3399103 + ... + 3415560.

It is an arithmetic number, because the mean of its divisors is an integer number (5056480688).

Almost surely, 2^56077861827 is an apocalyptic number.

56077861827 is a deficient number, since it is larger than the sum of its proper divisors (24825829181).

56077861827 is a wasteful number, since it uses less digits than its factorization.

56077861827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6814890.

The product of its (nonzero) digits is 7902720, while the sum is 57.

The spelling of 56077861827 in words is "fifty-six billion, seventy-seven million, eight hundred sixty-one thousand, eight hundred twenty-seven".