8057502780 has 48 divisors (see below), whose sum is σ = 22566297600. Its totient is φ = 2148163648.

The previous prime is 8057502779. The next prime is 8057502797. The reversal of 8057502780 is 872057508.

It is a happy number.

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, 292021 + ... + 318419.

It is an arithmetic number, because the mean of its divisors is an integer number (470131200).

Almost surely, 2^8057502780 is an apocalyptic number.

It is an amenable number.

8057502780 is an abundant number, since it is smaller than the sum of its proper divisors (14508794820).

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

8057502780 is a wasteful number, since it uses less digits than its factorization.

8057502780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31498 (or 31496 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 42.

The square root of 8057502780 is about 89763.5938451664. The cubic root of 8057502780 is about 2004.7804628170.

The spelling of 8057502780 in words is "eight billion, fifty-seven million, five hundred two thousand, seven hundred eighty".