8581856982 has 32 divisors (see below), whose sum is σ = 17264208480. Its totient is φ = 2843907840.

The previous prime is 8581856917. The next prime is 8581856993. The reversal of 8581856982 is 2896581858.

8581856982 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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, 1002882 + ... + 1011402.

It is an arithmetic number, because the mean of its divisors is an integer number (539506515).

Almost surely, 2^8581856982 is an apocalyptic number.

8581856982 is an abundant number, since it is smaller than the sum of its proper divisors (8682351498).

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

8581856982 is a wasteful number, since it uses less digits than its factorization.

8581856982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9488.

The product of its digits is 11059200, while the sum is 60.

The square root of 8581856982 is about 92638.3127113183. The cubic root of 8581856982 is about 2047.3578479075.

The spelling of 8581856982 in words is "eight billion, five hundred eighty-one million, eight hundred fifty-six thousand, nine hundred eighty-two".