27157367564 has 12 divisors (see below), whose sum is σ = 47537240688. Its totient is φ = 13575298800.

The previous prime is 27157367561. The next prime is 27157367581. The reversal of 27157367564 is 46576375172.

It is a super-2 number, since 2×27157367564² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27157367561) 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, 828152 + ... + 860319.

It is an arithmetic number, because the mean of its divisors is an integer number (3961436724).

Almost surely, 2^27157367564 is an apocalyptic number.

It is an amenable number.

27157367564 is a deficient number, since it is larger than the sum of its proper divisors (20379873124).

27157367564 is a wasteful number, since it uses less digits than its factorization.

27157367564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692496 (or 1692494 counting only the distinct ones).

The product of its digits is 7408800, while the sum is 53.

The spelling of 27157367564 in words is "twenty-seven billion, one hundred fifty-seven million, three hundred sixty-seven thousand, five hundred sixty-four".