27715855156 has 12 divisors (see below), whose sum is σ = 52912087200. Its totient is φ = 12598115960.

The previous prime is 27715855129. The next prime is 27715855159. The reversal of 27715855156 is 65155851772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27715855159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314952856 + ... + 314952943.

It is an arithmetic number, because the mean of its divisors is an integer number (4409340600).

Almost surely, 2^27715855156 is an apocalyptic number.

It is an amenable number.

27715855156 is a deficient number, since it is larger than the sum of its proper divisors (25196232044).

27715855156 is a wasteful number, since it uses less digits than its factorization.

27715855156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629905814 (or 629905812 counting only the distinct ones).

The product of its digits is 2940000, while the sum is 52.

The spelling of 27715855156 in words is "twenty-seven billion, seven hundred fifteen million, eight hundred fifty-five thousand, one hundred fifty-six".