8076785856 has 28 divisors (see below), whose sum is σ = 21369829752. Its totient is φ = 2692261888.

The previous prime is 8076785831. The next prime is 8076785863. The reversal of 8076785856 is 6585876708.

It is a self number, because there is not a number n which added to its sum of digits gives 8076785856.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21033105 + ... + 21033488.

Almost surely, 2^8076785856 is an apocalyptic number.

It is an amenable number.

8076785856 is an abundant number, since it is smaller than the sum of its proper divisors (13293043896).

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

8076785856 is a wasteful number, since it uses less digits than its factorization.

8076785856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42066608 (or 42066598 counting only the distinct ones).

The product of its (nonzero) digits is 22579200, while the sum is 60.

The square root of 8076785856 is about 89870.9399973095. The cubic root of 8076785856 is about 2006.3784573488.

The spelling of 8076785856 in words is "eight billion, seventy-six million, seven hundred eighty-five thousand, eight hundred fifty-six".