8865572128 has 192 divisors, whose sum is σ = 21118648320. Its totient is φ = 3585254400.

The previous prime is 8865572101. The next prime is 8865572141. The reversal of 8865572128 is 8212755688.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46416513 + ... + 46416703.

It is an arithmetic number, because the mean of its divisors is an integer number (109992960).

Almost surely, 2^8865572128 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 8865572128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10559324160).

8865572128 is an abundant number, since it is smaller than the sum of its proper divisors (12253076192).

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

8865572128 is a wasteful number, since it uses less digits than its factorization.

8865572128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 383 counting only the distinct ones).

The product of its digits is 2150400, while the sum is 52.

The square root of 8865572128 is about 94157.1671621444. The cubic root of 8865572128 is about 2069.6754863252.

The spelling of 8865572128 in words is "eight billion, eight hundred sixty-five million, five hundred seventy-two thousand, one hundred twenty-eight".