8117656056 has 96 divisors (see below), whose sum is σ = 22842259440. Its totient is φ = 2700822528.

The previous prime is 8117656049. The next prime is 8117656061. The reversal of 8117656056 is 6506567118.

8117656056 is a `hidden beast` number, since 8 + 11 + 76 + 560 + 5 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1118070 + ... + 1125306.

Almost surely, 2^8117656056 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 8117656056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11421129720).

8117656056 is an abundant number, since it is smaller than the sum of its proper divisors (14724603384).

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

8117656056 is a wasteful number, since it uses less digits than its factorization.

8117656056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7835 (or 7819 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 8117656056 is about 90098.0358054492. The cubic root of 8117656056 is about 2009.7569944583.

The spelling of 8117656056 in words is "eight billion, one hundred seventeen million, six hundred fifty-six thousand, fifty-six".