9115804864 has 56 divisors (see below), whose sum is σ = 18834482016. Its totient is φ = 4373760000.

The previous prime is 9115804849. The next prime is 9115804883. The reversal of 9115804864 is 4684085119.

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 7 ways as a sum of consecutive naturals, for example, 131589 + ... + 188539.

It is an arithmetic number, because the mean of its divisors is an integer number (336330036).

Almost surely, 2^9115804864 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 9115804864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9417241008).

9115804864 is an abundant number, since it is smaller than the sum of its proper divisors (9718677152).

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

9115804864 is a wasteful number, since it uses less digits than its factorization.

9115804864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57065 (or 57055 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 46.

The square root of 9115804864 is about 95476.7242001945. The cubic root of 9115804864 is about 2088.9674519284.

The spelling of 9115804864 in words is "nine billion, one hundred fifteen million, eight hundred four thousand, eight hundred sixty-four".