27256865796 has 144 divisors (see below), whose sum is σ = 77806747200. Its totient is φ = 8310460032.

The previous prime is 27256865773. The next prime is 27256865803. The reversal of 27256865796 is 69756865272.

It is a happy number.

27256865796 is a `hidden beast` number, since 2 + 7 + 2 + 56 + 8 + 6 + 579 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 510126 + ... + 561018.

Almost surely, 2^27256865796 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 27256865796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38903373600).

27256865796 is an abundant number, since it is smaller than the sum of its proper divisors (50549881404).

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

27256865796 is a wasteful number, since it uses less digits than its factorization.

27256865796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50960 (or 50946 counting only the distinct ones).

The product of its digits is 76204800, while the sum is 63.

The spelling of 27256865796 in words is "twenty-seven billion, two hundred fifty-six million, eight hundred sixty-five thousand, seven hundred ninety-six".