8117745522 has 16 divisors (see below), whose sum is σ = 16251250752. Its totient is φ = 2703288560.

The previous prime is 8117745487. The next prime is 8117745551. The reversal of 8117745522 is 2255477118.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 649953 + ... + 662324.

It is an arithmetic number, because the mean of its divisors is an integer number (1015703172).

Almost surely, 2^8117745522 is an apocalyptic number.

8117745522 is an abundant number, since it is smaller than the sum of its proper divisors (8133505230).

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

8117745522 is a wasteful number, since it uses less digits than its factorization.

8117745522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313313.

The product of its digits is 156800, while the sum is 42.

The square root of 8117745522 is about 90098.5322965918. The cubic root of 8117745522 is about 2009.7643777168.

The spelling of 8117745522 in words is "eight billion, one hundred seventeen million, seven hundred forty-five thousand, five hundred twenty-two".