8643083980 has 24 divisors (see below), whose sum is σ = 18939628512. Its totient is φ = 3306918912.

The previous prime is 8643083947. The next prime is 8643083993. The reversal of 8643083980 is 893803468.

8643083980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9394197 + ... + 9395116.

It is an arithmetic number, because the mean of its divisors is an integer number (789151188).

Almost surely, 2^8643083980 is an apocalyptic number.

It is an amenable number.

8643083980 is an abundant number, since it is smaller than the sum of its proper divisors (10296544532).

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

8643083980 is a wasteful number, since it uses less digits than its factorization.

8643083980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18789345 (or 18789343 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 49.

The square root of 8643083980 is about 92968.1879999820. The cubic root of 8643083980 is about 2052.2152519517.

The spelling of 8643083980 in words is "eight billion, six hundred forty-three million, eighty-three thousand, nine hundred eighty".