27777510056 has 16 divisors (see below), whose sum is σ = 52816393440. Its totient is φ = 13693138480.

The previous prime is 27777510053. The next prime is 27777510071. The reversal of 27777510056 is 65001577772.

It is a super-2 number, since 2×27777510056² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27777510053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24451466 + ... + 24452601.

It is an arithmetic number, because the mean of its divisors is an integer number (3301024590).

Almost surely, 2^27777510056 is an apocalyptic number.

It is an amenable number.

27777510056 is a deficient number, since it is larger than the sum of its proper divisors (25038883384).

27777510056 is a wasteful number, since it uses less digits than its factorization.

27777510056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48904144 (or 48904140 counting only the distinct ones).

The product of its (nonzero) digits is 720300, while the sum is 47.

The spelling of 27777510056 in words is "twenty-seven billion, seven hundred seventy-seven million, five hundred ten thousand, fifty-six".