27694174538568 has 64 divisors (see below), whose sum is σ = 74509881419520. Its totient is φ = 8545936204800.

The previous prime is 27694174538567. The next prime is 27694174538573. The reversal of 27694174538568 is 86583547149672.

It is a self number, because there is not a number n which added to its sum of digits gives 27694174538568.

It is not an unprimeable number, because it can be changed into a prime (27694174538567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556351168 + ... + 556400943.

It is an arithmetic number, because the mean of its divisors is an integer number (1164216897180).

Almost surely, 2^{27694174538568} is an apocalyptic number.

It is an amenable number.

27694174538568 is an abundant number, since it is smaller than the sum of its proper divisors (46815706880952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27694174538568 is a wasteful number, since it uses less digits than its factorization.

27694174538568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112752198 (or 1112752194 counting only the distinct ones).

The product of its digits is 2438553600, while the sum is 75.

The spelling of 27694174538568 in words is "twenty-seven trillion, six hundred ninety-four billion, one hundred seventy-four million, five hundred thirty-eight thousand, five hundred sixty-eight".