27539999938 has 32 divisors (see below), whose sum is σ = 45331342848. Its totient is φ = 12444432000.

The previous prime is 27539999909. The next prime is 27539999989. The reversal of 27539999938 is 83999993572.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8454006 + ... + 8457262.

It is an arithmetic number, because the mean of its divisors is an integer number (1416604464).

Almost surely, 2^27539999938 is an apocalyptic number.

27539999938 is a deficient number, since it is larger than the sum of its proper divisors (17791342910).

27539999938 is a wasteful number, since it uses less digits than its factorization.

27539999938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5418.

The product of its digits is 297606960, while the sum is 73.

The spelling of 27539999938 in words is "twenty-seven billion, five hundred thirty-nine million, nine hundred ninety-nine thousand, nine hundred thirty-eight".