8173252812 has 24 divisors (see below), whose sum is σ = 19476688896. Its totient is φ = 2666451088.

The previous prime is 8173252777. The next prime is 8173252817. The reversal of 8173252812 is 2182523718.

It is not an unprimeable number, because it can be changed into a prime (8173252817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7245228 + ... + 7246355.

It is an arithmetic number, because the mean of its divisors is an integer number (811528704).

Almost surely, 2^8173252812 is an apocalyptic number.

It is an amenable number.

8173252812 is an abundant number, since it is smaller than the sum of its proper divisors (11303436084).

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

8173252812 is a wasteful number, since it uses less digits than its factorization.

8173252812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14491637 (or 14491635 counting only the distinct ones).

The product of its digits is 53760, while the sum is 39.

The square root of 8173252812 is about 90406.0441121057. The cubic root of 8173252812 is about 2014.3347463917.

The spelling of 8173252812 in words is "eight billion, one hundred seventy-three million, two hundred fifty-two thousand, eight hundred twelve".