8116125008 has 20 divisors (see below), whose sum is σ = 15727240788. Its totient is φ = 4057482240.

The previous prime is 8116125007. The next prime is 8116125011. The reversal of 8116125008 is 8005216118.

It can be written as a sum of positive squares in 2 ways, for example, as 3284206864 + 4831918144 = 57308^2 + 69512^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8116125001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93110 + ... + 157802.

Almost surely, 2^8116125008 is an apocalyptic number.

It is an amenable number.

8116125008 is a deficient number, since it is larger than the sum of its proper divisors (7611115780).

8116125008 is a wasteful number, since it uses less digits than its factorization.

8116125008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72542 (or 72536 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 32.

The square root of 8116125008 is about 90089.5388377585. The cubic root of 8116125008 is about 2009.6306349987.

The spelling of 8116125008 in words is "eight billion, one hundred sixteen million, one hundred twenty-five thousand, eight".