27777675256 has 16 divisors (see below), whose sum is σ = 52860502440. Its totient is φ = 13681541280.

The previous prime is 27777675251. The next prime is 27777675257. The reversal of 27777675256 is 65257677772.

It is a junction number, because it is equal to n+sod(n) for n = 27777675194 and 27777675203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27777675251) 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, 25911475 + ... + 25912546.

Almost surely, 2^27777675256 is an apocalyptic number.

It is an amenable number.

27777675256 is a deficient number, since it is larger than the sum of its proper divisors (25082827184).

27777675256 is a wasteful number, since it uses less digits than its factorization.

27777675256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51824094 (or 51824090 counting only the distinct ones).

The product of its digits is 60505200, while the sum is 61.

The spelling of 27777675256 in words is "twenty-seven billion, seven hundred seventy-seven million, six hundred seventy-five thousand, two hundred fifty-six".