8143117808 has 20 divisors (see below), whose sum is σ = 18031189680. Its totient is φ = 3489907584.

The previous prime is 8143117739. The next prime is 8143117811. The reversal of 8143117808 is 8087113418.

It is a congruent number.

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, 36353093 + ... + 36353316.

It is an arithmetic number, because the mean of its divisors is an integer number (901559484).

Almost surely, 2^8143117808 is an apocalyptic number.

It is an amenable number.

8143117808 is an abundant number, since it is smaller than the sum of its proper divisors (9888071872).

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

8143117808 is a wasteful number, since it uses less digits than its factorization.

8143117808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72706424 (or 72706418 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 41.

The square root of 8143117808 is about 90239.2254399383. The cubic root of 8143117808 is about 2011.8560620166.

The spelling of 8143117808 in words is "eight billion, one hundred forty-three million, one hundred seventeen thousand, eight hundred eight".