8981886864 has 40 divisors (see below), whose sum is σ = 23239485792. Its totient is φ = 2989281280.

The previous prime is 8981886841. The next prime is 8981886869. The reversal of 8981886864 is 4686881898.

It is a happy number.

8981886864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 8981886795 and 8981886804.

It is not an unprimeable number, because it can be changed into a prime (8981886869) by changing a digit.

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, 115194 + ... + 176729.

Almost surely, 2^8981886864 is an apocalyptic number.

It is an amenable number.

8981886864 is an abundant number, since it is smaller than the sum of its proper divisors (14257598928).

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

8981886864 is a wasteful number, since it uses less digits than its factorization.

8981886864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292575 (or 292569 counting only the distinct ones).

The product of its digits is 42467328, while the sum is 66.

The square root of 8981886864 is about 94772.8171154577. The cubic root of 8981886864 is about 2078.6874473021.

The spelling of 8981886864 in words is "eight billion, nine hundred eighty-one million, eight hundred eighty-six thousand, eight hundred sixty-four".