27750635564 has 12 divisors (see below), whose sum is σ = 48570742584. Its totient is φ = 13873280544.

The previous prime is 27750635557. The next prime is 27750635599. The reversal of 27750635564 is 46553605772.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478454 + ... + 533309.

It is an arithmetic number, because the mean of its divisors is an integer number (4047561882).

Almost surely, 2^27750635564 is an apocalyptic number.

It is an amenable number.

27750635564 is a deficient number, since it is larger than the sum of its proper divisors (20820107020).

27750635564 is a wasteful number, since it uses less digits than its factorization.

27750635564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018624 (or 1018622 counting only the distinct ones).

The product of its (nonzero) digits is 5292000, while the sum is 50.

The spelling of 27750635564 in words is "twenty-seven billion, seven hundred fifty million, six hundred thirty-five thousand, five hundred sixty-four".