27393838636 has 12 divisors (see below), whose sum is σ = 47942458200. Its totient is φ = 13695993440.

The previous prime is 27393838627. The next prime is 27393838651. The reversal of 27393838636 is 63683839372.

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, 162625 + ... + 285016.

It is an arithmetic number, because the mean of its divisors is an integer number (3995204850).

Almost surely, 2^27393838636 is an apocalyptic number.

It is an amenable number.

27393838636 is a deficient number, since it is larger than the sum of its proper divisors (20548619564).

27393838636 is a wasteful number, since it uses less digits than its factorization.

27393838636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462944 (or 462942 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 58.

The spelling of 27393838636 in words is "twenty-seven billion, three hundred ninety-three million, eight hundred thirty-eight thousand, six hundred thirty-six".