8616396915 has 144 divisors (see below), whose sum is σ = 18131143680. Its totient is φ = 3769597440.

The previous prime is 8616396907. The next prime is 8616396937. The reversal of 8616396915 is 5196936168.

8616396915 is a `hidden beast` number, since 8 + 616 + 3 + 9 + 6 + 9 + 15 = 666.

It is not a de Polignac number, because 8616396915 - 2³ = 8616396907 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 8120485 + ... + 8121545.

It is an arithmetic number, because the mean of its divisors is an integer number (125910720).

Almost surely, 2^8616396915 is an apocalyptic number.

8616396915 is an abundant number, since it is smaller than the sum of its proper divisors (9514746765).

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

8616396915 is a wasteful number, since it uses less digits than its factorization.

8616396915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242 (or 1232 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The square root of 8616396915 is about 92824.5490966695. The cubic root of 8616396915 is about 2050.1008806196.

The spelling of 8616396915 in words is "eight billion, six hundred sixteen million, three hundred ninety-six thousand, nine hundred fifteen".