8662320680 has 64 divisors (see below), whose sum is σ = 21022727040. Its totient is φ = 3193327872.

The previous prime is 8662320679. The next prime is 8662320701. The reversal of 8662320680 is 860232668.

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, 323567 + ... + 349313.

It is an arithmetic number, because the mean of its divisors is an integer number (328480110).

Almost surely, 2^8662320680 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 8662320680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10511363520).

8662320680 is an abundant number, since it is smaller than the sum of its proper divisors (12360406360).

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

8662320680 is a wasteful number, since it uses less digits than its factorization.

8662320680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26418 (or 26414 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 8662320680 is about 93071.5890054532. The cubic root of 8662320680 is about 2053.7366455150.

The spelling of 8662320680 in words is "eight billion, six hundred sixty-two million, three hundred twenty thousand, six hundred eighty".