27957368652 has 24 divisors (see below), whose sum is σ = 66750927936. Its totient is φ = 9102398928.

The previous prime is 27957368627. The next prime is 27957368723. The reversal of 27957368652 is 25686375972.

It is a super-2 number, since 2×27957368652² (a number of 22 digits) contains 22 as substring.

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, 27089958 + ... + 27090989.

It is an arithmetic number, because the mean of its divisors is an integer number (2781288664).

Almost surely, 2^27957368652 is an apocalyptic number.

It is an amenable number.

27957368652 is an abundant number, since it is smaller than the sum of its proper divisors (38793559284).

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

27957368652 is a wasteful number, since it uses less digits than its factorization.

27957368652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54180997 (or 54180995 counting only the distinct ones).

The product of its digits is 38102400, while the sum is 60.

The spelling of 27957368652 in words is "twenty-seven billion, nine hundred fifty-seven million, three hundred sixty-eight thousand, six hundred fifty-two".