27538013872 has 10 divisors (see below), whose sum is σ = 53354901908. Its totient is φ = 13769006928.

The previous prime is 27538013857. The next prime is 27538013917. The reversal of 27538013872 is 27831083572.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 860562918 + ... + 860562949.

Almost surely, 2^27538013872 is an apocalyptic number.

It is an amenable number.

27538013872 is a deficient number, since it is larger than the sum of its proper divisors (25816888036).

27538013872 is a wasteful number, since it uses less digits than its factorization.

27538013872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721125875 (or 1721125869 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 27538013872 in words is "twenty-seven billion, five hundred thirty-eight million, thirteen thousand, eight hundred seventy-two".