8889612672 has 128 divisors (see below), whose sum is σ = 24607296000. Its totient is φ = 2839947264.

The previous prime is 8889612671. The next prime is 8889612679. The reversal of 8889612672 is 2762169888.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8889612671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1545033 + ... + 1550775.

It is an arithmetic number, because the mean of its divisors is an integer number (192244500).

Almost surely, 2^8889612672 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 8889612672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12303648000).

8889612672 is an abundant number, since it is smaller than the sum of its proper divisors (15717683328).

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

8889612672 is a wasteful number, since it uses less digits than its factorization.

8889612672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5928 (or 5916 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 57.

The square root of 8889612672 is about 94284.7425196675. The cubic root of 8889612672 is about 2071.5445598369.

The spelling of 8889612672 in words is "eight billion, eight hundred eighty-nine million, six hundred twelve thousand, six hundred seventy-two".