27657675732 has 12 divisors (see below), whose sum is σ = 64534576736. Its totient is φ = 9219225240.

The previous prime is 27657675709. The next prime is 27657675733. The reversal of 27657675732 is 23757675672.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27657675733) 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, 1152403144 + ... + 1152403167.

Almost surely, 2^27657675732 is an apocalyptic number.

It is an amenable number.

27657675732 is an abundant number, since it is smaller than the sum of its proper divisors (36876901004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27657675732 is a wasteful number, since it uses less digits than its factorization.

27657675732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304806318 (or 2304806316 counting only the distinct ones).

The product of its digits is 25930800, while the sum is 57.

The spelling of 27657675732 in words is "twenty-seven billion, six hundred fifty-seven million, six hundred seventy-five thousand, seven hundred thirty-two".