8715406464 has 128 divisors (see below), whose sum is σ = 26552640000. Its totient is φ = 2811386880.

The previous prime is 8715406459. The next prime is 8715406501. The reversal of 8715406464 is 4646045178.

It is a tau number, because it is divible by the number of its divisors (128).

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 15 ways as a sum of consecutive naturals, for example, 66462 + ... + 147810.

It is an arithmetic number, because the mean of its divisors is an integer number (207442500).

Almost surely, 2^8715406464 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 8715406464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13276320000).

8715406464 is an abundant number, since it is smaller than the sum of its proper divisors (17837233536).

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

8715406464 is a wasteful number, since it uses less digits than its factorization.

8715406464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81403 (or 81385 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 8715406464 is about 93356.3413164848. The cubic root of 8715406464 is about 2057.9234474155.

The spelling of 8715406464 in words is "eight billion, seven hundred fifteen million, four hundred six thousand, four hundred sixty-four".