8117864524 has 48 divisors (see below), whose sum is σ = 17761282560. Its totient is φ = 3153951360.

The previous prime is 8117864509. The next prime is 8117864543. The reversal of 8117864524 is 4254687118.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73864 + ... + 147280.

It is an arithmetic number, because the mean of its divisors is an integer number (370026720).

Almost surely, 2^8117864524 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 8117864524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8880641280).

8117864524 is an abundant number, since it is smaller than the sum of its proper divisors (9643418036).

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

8117864524 is a wasteful number, since it uses less digits than its factorization.

8117864524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73798 (or 73796 counting only the distinct ones).

The product of its digits is 430080, while the sum is 46.

The square root of 8117864524 is about 90099.1926933865. The cubic root of 8117864524 is about 2009.7741983749.

The spelling of 8117864524 in words is "eight billion, one hundred seventeen million, eight hundred sixty-four thousand, five hundred twenty-four".