8889572648 has 64 divisors (see below), whose sum is σ = 18792000000. Its totient is φ = 3905740800.

The previous prime is 8889572599. The next prime is 8889572701. The reversal of 8889572648 is 8462759888.

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, 3405968 + ... + 3408576.

It is an arithmetic number, because the mean of its divisors is an integer number (293625000).

Almost surely, 2^8889572648 is an apocalyptic number.

8889572648 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8889572648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9396000000).

8889572648 is an abundant number, since it is smaller than the sum of its proper divisors (9902427352).

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

8889572648 is a wasteful number, since it uses less digits than its factorization.

8889572648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3906 (or 3902 counting only the distinct ones).

The product of its digits is 61931520, while the sum is 65.

The square root of 8889572648 is about 94284.5302687562. The cubic root of 8889572648 is about 2071.5414509041.

The spelling of 8889572648 in words is "eight billion, eight hundred eighty-nine million, five hundred seventy-two thousand, six hundred forty-eight".