8866889988 has 96 divisors (see below), whose sum is σ = 24937113600. Its totient is φ = 2418915840.

The previous prime is 8866889987. The next prime is 8866890001. The reversal of 8866889988 is 8899886688.

8866889988 is a strobogrammatic number because it is the same when read upside-down.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (8866889987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34288 + ... + 137511.

It is an arithmetic number, because the mean of its divisors is an integer number (259761600).

Almost surely, 2^8866889988 is an apocalyptic number.

It is an amenable number.

8866889988 is an abundant number, since it is smaller than the sum of its proper divisors (16070223612).

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

8866889988 is a wasteful number, since it uses less digits than its factorization.

8866889988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171857 (or 171855 counting only the distinct ones).

The product of its digits is 764411904, while the sum is 78.

The square root of 8866889988 is about 94164.1650947960. The cubic root of 8866889988 is about 2069.7780330967.

The spelling of 8866889988 in words is "eight billion, eight hundred sixty-six million, eight hundred eighty-nine thousand, nine hundred eighty-eight".