8987878988 has 48 divisors (see below), whose sum is σ = 18476035200. Its totient is φ = 3779892480.

The previous prime is 8987878973. The next prime is 8987879023. The reversal of 8987878988 is 8898787898.

It is a happy 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, 57698 + ... + 145961.

It is an arithmetic number, because the mean of its divisors is an integer number (384917400).

Almost surely, 2^8987878988 is an apocalyptic number.

It is an amenable number.

8987878988 is an abundant number, since it is smaller than the sum of its proper divisors (9488156212).

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

8987878988 is a wasteful number, since it uses less digits than its factorization.

8987878988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203750 (or 203748 counting only the distinct ones).

The product of its digits is 1040449536, while the sum is 80.

The square root of 8987878988 is about 94804.4249389236. The cubic root of 8987878988 is about 2079.1495990478.

The spelling of 8987878988 in words is "eight billion, nine hundred eighty-seven million, eight hundred seventy-eight thousand, nine hundred eighty-eight".