8899966688 has 24 divisors (see below), whose sum is σ = 17524307808. Its totient is φ = 4449348864.

The previous prime is 8899966651. The next prime is 8899966703. The reversal of 8899966688 is 8866699988.

8899966688 is a strobogrammatic number because it is the same when read upside-down.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276020 + ... + 306572.

It is an arithmetic number, because the mean of its divisors is an integer number (730179492).

Almost surely, 2^8899966688 is an apocalyptic number.

It is an amenable number.

8899966688 is a deficient number, since it is larger than the sum of its proper divisors (8624341120).

8899966688 is a wasteful number, since it uses less digits than its factorization.

8899966688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39666 (or 39658 counting only the distinct ones).

The product of its digits is 644972544, while the sum is 77.

The square root of 8899966688 is about 94339.6347671539. The cubic root of 8899966688 is about 2072.3485125070.

The spelling of 8899966688 in words is "eight billion, eight hundred ninety-nine million, nine hundred sixty-six thousand, six hundred eighty-eight".