27796856832 has 280 divisors, whose sum is σ = 83876897016. Its totient is φ = 9172942848.

The previous prime is 27796856827. The next prime is 27796856897. The reversal of 27796856832 is 23865869772.

27796856832 is a `hidden beast` number, since 2 + 7 + 7 + 9 + 68 + 568 + 3 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 27796856832.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 108158848 + ... + 108159104.

Almost surely, 2^27796856832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27796856832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41938448508).

27796856832 is an abundant number, since it is smaller than the sum of its proper divisors (56080040184).

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

27796856832 is an equidigital number, since it uses as much as digits as its factorization.

27796856832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 425 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 63.

The spelling of 27796856832 in words is "twenty-seven billion, seven hundred ninety-six million, eight hundred fifty-six thousand, eight hundred thirty-two".