27164979915 has 32 divisors (see below), whose sum is σ = 48442821120. Its totient is φ = 12918081024.

The previous prime is 27164979901. The next prime is 27164979937. The reversal of 27164979915 is 51997946172.

It is not a de Polignac number, because 27164979915 - 2⁴ = 27164979899 is a prime.

It is a super-2 number, since 2×27164979915² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2798559 + ... + 2808248.

It is an arithmetic number, because the mean of its divisors is an integer number (1513838160).

Almost surely, 2^27164979915 is an apocalyptic number.

27164979915 is a deficient number, since it is larger than the sum of its proper divisors (21277841205).

27164979915 is a wasteful number, since it uses less digits than its factorization.

27164979915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5606851.

The product of its digits is 8573040, while the sum is 60.

The spelling of 27164979915 in words is "twenty-seven billion, one hundred sixty-four million, nine hundred seventy-nine thousand, nine hundred fifteen".