27713667968 has 32 divisors (see below), whose sum is σ = 63098085360. Its totient is φ = 11877285888.

The previous prime is 27713667931. The next prime is 27713668007. The reversal of 27713667968 is 86976631772.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 27713667968.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15464321 + ... + 15466112.

Almost surely, 2^27713667968 is an apocalyptic number.

27713667968 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

27713667968 is an abundant number, since it is smaller than the sum of its proper divisors (35384417392).

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

27713667968 is an equidigital number, since it uses as much as digits as its factorization.

27713667968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30930454 (or 30930442 counting only the distinct ones).

The product of its digits is 32006016, while the sum is 62.

The spelling of 27713667968 in words is "twenty-seven billion, seven hundred thirteen million, six hundred sixty-seven thousand, nine hundred sixty-eight".