8899642752 has 512 divisors, whose sum is σ = 32160844800. Its totient is φ = 2118205440.

The previous prime is 8899642709. The next prime is 8899642789. The reversal of 8899642752 is 2572469988.

It is a super-2 number, since 2×8899642752² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 64960828 + ... + 64960964.

It is an arithmetic number, because the mean of its divisors is an integer number (62814150).

Almost surely, 2^8899642752 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 8899642752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16080422400).

8899642752 is an abundant number, since it is smaller than the sum of its proper divisors (23261202048).

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

8899642752 is a wasteful number, since it uses less digits than its factorization.

8899642752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 173 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 60.

The square root of 8899642752 is about 94337.9178909520. The cubic root of 8899642752 is about 2072.3233694753.

The spelling of 8899642752 in words is "eight billion, eight hundred ninety-nine million, six hundred forty-two thousand, seven hundred fifty-two".