27807112732 has 24 divisors (see below), whose sum is σ = 55713038976. Its totient is φ = 11896159728.

The previous prime is 27807112709. The next prime is 27807112733. The reversal of 27807112732 is 23721170872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27807112733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 866218 + ... + 897745.

It is an arithmetic number, because the mean of its divisors is an integer number (2321376624).

Almost surely, 2^27807112732 is an apocalyptic number.

It is an amenable number.

27807112732 is an abundant number, since it is smaller than the sum of its proper divisors (27905926244).

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

27807112732 is a wasteful number, since it uses less digits than its factorization.

27807112732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764537 (or 1764535 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 40.

The spelling of 27807112732 in words is "twenty-seven billion, eight hundred seven million, one hundred twelve thousand, seven hundred thirty-two".