8765316056 has 64 divisors (see below), whose sum is σ = 19835712000. Its totient is φ = 3547272960.

The previous prime is 8765316019. The next prime is 8765316073. The reversal of 8765316056 is 6506135678.

It is a self number, because there is not a number n which added to its sum of digits gives 8765316056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317660 + ... + 344148.

It is an arithmetic number, because the mean of its divisors is an integer number (309933000).

Almost surely, 2^8765316056 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 8765316056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9917856000).

8765316056 is an abundant number, since it is smaller than the sum of its proper divisors (11070395944).

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

8765316056 is a wasteful number, since it uses less digits than its factorization.

8765316056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26832 (or 26828 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 47.

The square root of 8765316056 is about 93623.2666381600. The cubic root of 8765316056 is about 2061.8442697632.

The spelling of 8765316056 in words is "eight billion, seven hundred sixty-five million, three hundred sixteen thousand, fifty-six".