27800374264 has 24 divisors (see below), whose sum is σ = 56443809960. Its totient is φ = 12830941344.

The previous prime is 27800374219. The next prime is 27800374271. The reversal of 27800374264 is 46247300872.

It is a self number, because there is not a number n which added to its sum of digits gives 27800374264.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10279852 + ... + 10282555.

It is an arithmetic number, because the mean of its divisors is an integer number (2351825415).

Almost surely, 2^27800374264 is an apocalyptic number.

It is an amenable number.

27800374264 is an abundant number, since it is smaller than the sum of its proper divisors (28643435696).

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

27800374264 is a wasteful number, since it uses less digits than its factorization.

27800374264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20562439 (or 20562422 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 43.

The spelling of 27800374264 in words is "twenty-seven billion, eight hundred million, three hundred seventy-four thousand, two hundred sixty-four".