27995667315 has 32 divisors (see below), whose sum is σ = 55845904896. Its totient is φ = 11634562560.

The previous prime is 27995667281. The next prime is 27995667347. The reversal of 27995667315 is 51376659972.

It is not a de Polignac number, because 27995667315 - 2⁷ = 27995667187 is a prime.

It is a super-3 number, since 3×27995667315³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12118182 + ... + 12120491.

It is an arithmetic number, because the mean of its divisors is an integer number (1745184528).

Almost surely, 2^27995667315 is an apocalyptic number.

27995667315 is a deficient number, since it is larger than the sum of its proper divisors (27850237581).

27995667315 is a wasteful number, since it uses less digits than its factorization.

27995667315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24238699.

The product of its digits is 21432600, while the sum is 60.

The spelling of 27995667315 in words is "twenty-seven billion, nine hundred ninety-five million, six hundred sixty-seven thousand, three hundred fifteen".