8915105728 has 56 divisors (see below), whose sum is σ = 18988320672. Its totient is φ = 4137836544.

The previous prime is 8915105707. The next prime is 8915105743. The reversal of 8915105728 is 8275015198.

It is a super-2 number, since 2×8915105728² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23301 + ... + 135547.

Almost surely, 2^8915105728 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 8915105728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9494160336).

8915105728 is an abundant number, since it is smaller than the sum of its proper divisors (10073214944).

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

8915105728 is a wasteful number, since it uses less digits than its factorization.

8915105728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112349 (or 112339 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 46.

The square root of 8915105728 is about 94419.8375766449. The cubic root of 8915105728 is about 2073.5228837522.

The spelling of 8915105728 in words is "eight billion, nine hundred fifteen million, one hundred five thousand, seven hundred twenty-eight".