27377564168 has 32 divisors (see below), whose sum is σ = 51684044760. Its totient is φ = 13595320320.

The previous prime is 27377564153. The next prime is 27377564191. The reversal of 27377564168 is 86146577372.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25007627044 + 2369937124 = 158138^2 + 48682^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1369928 + ... + 1389768.

Almost surely, 2^27377564168 is an apocalyptic number.

It is an amenable number.

27377564168 is a deficient number, since it is larger than the sum of its proper divisors (24306480592).

27377564168 is a wasteful number, since it uses less digits than its factorization.

27377564168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21017 (or 21013 counting only the distinct ones).

The product of its digits is 11854080, while the sum is 56.

The spelling of 27377564168 in words is "twenty-seven billion, three hundred seventy-seven million, five hundred sixty-four thousand, one hundred sixty-eight".