8989164864 has 112 divisors (see below), whose sum is σ = 26753149440. Its totient is φ = 2996341632.

The previous prime is 8989164859. The next prime is 8989164881. The reversal of 8989164864 is 4684619898.

It is a nude number because it is divisible by every one of its digits.

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, 107857 + ... + 172079.

Almost surely, 2^8989164864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8989164864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13376574720).

8989164864 is an abundant number, since it is smaller than the sum of its proper divisors (17763984576).

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

8989164864 is an frugal number, since it uses more digits than its factorization.

8989164864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64256 (or 64228 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 63.

The square root of 8989164864 is about 94811.2064262448. The cubic root of 8989164864 is about 2079.2487474336.

The spelling of 8989164864 in words is "eight billion, nine hundred eighty-nine million, one hundred sixty-four thousand, eight hundred sixty-four".