8117113408 has 84 divisors (see below), whose sum is σ = 16739469696. Its totient is φ = 3905107200.

The previous prime is 8117113393. The next prime is 8117113421. The reversal of 8117113408 is 8043117118.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16667341 + ... + 16667827.

Almost surely, 2^8117113408 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 8117113408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8369734848).

8117113408 is an abundant number, since it is smaller than the sum of its proper divisors (8622356288).

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

8117113408 is a wasteful number, since it uses less digits than its factorization.

8117113408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832 (or 791 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 34.

The square root of 8117113408 is about 90095.0243243210. The cubic root of 8117113408 is about 2009.7122108036.

The spelling of 8117113408 in words is "eight billion, one hundred seventeen million, one hundred thirteen thousand, four hundred eight".