8447117064 has 16 divisors (see below), whose sum is σ = 21117792720. Its totient is φ = 2815705680.

The previous prime is 8447117059. The next prime is 8447117087. The reversal of 8447117064 is 4607117448.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175981582 + ... + 175981629.

It is an arithmetic number, because the mean of its divisors is an integer number (1319862045).

Almost surely, 2^8447117064 is an apocalyptic number.

It is an amenable number.

8447117064 is an abundant number, since it is smaller than the sum of its proper divisors (12670675656).

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

8447117064 is a wasteful number, since it uses less digits than its factorization.

8447117064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351963220 (or 351963216 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 8447117064 is about 91908.1991119400. The cubic root of 8447117064 is about 2036.5863921842.

The spelling of 8447117064 in words is "eight billion, four hundred forty-seven million, one hundred seventeen thousand, sixty-four".