27625581368 has 32 divisors (see below), whose sum is σ = 64579282560. Its totient is φ = 10763213280.

The previous prime is 27625581353. The next prime is 27625581439. The reversal of 27625581368 is 86318552672.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22422746 + ... + 22423977.

It is an arithmetic number, because the mean of its divisors is an integer number (2018102580).

Almost surely, 2^27625581368 is an apocalyptic number.

27625581368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

27625581368 is an abundant number, since it is smaller than the sum of its proper divisors (36953701192).

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

27625581368 is a wasteful number, since it uses less digits than its factorization.

27625581368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44846747 (or 44846743 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 53.

The spelling of 27625581368 in words is "twenty-seven billion, six hundred twenty-five million, five hundred eighty-one thousand, three hundred sixty-eight".