27227986317 has 12 divisors (see below), whose sum is σ = 44947787040. Its totient is φ = 15558849288.

The previous prime is 27227986237. The next prime is 27227986337. The reversal of 27227986317 is 71368972272.

27227986317 is a `hidden beast` number, since 27 + 227 + 9 + 86 + 317 = 666.

It is not a de Polignac number, because 27227986317 - 2⁷ = 27227986189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27227986337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216095067 + ... + 216095192.

It is an arithmetic number, because the mean of its divisors is an integer number (3745648920).

Almost surely, 2^27227986317 is an apocalyptic number.

It is an amenable number.

27227986317 is a deficient number, since it is larger than the sum of its proper divisors (17719800723).

27227986317 is a wasteful number, since it uses less digits than its factorization.

27227986317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432190272 (or 432190269 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 54.

The spelling of 27227986317 in words is "twenty-seven billion, two hundred twenty-seven million, nine hundred eighty-six thousand, three hundred seventeen".