8236172812 has 24 divisors (see below), whose sum is σ = 16481090304. Its totient is φ = 3527914512.

The previous prime is 8236172809. The next prime is 8236172821. The reversal of 8236172812 is 2182716328.

It is a happy number.

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, 23728 + ... + 130519.

It is an arithmetic number, because the mean of its divisors is an integer number (686712096).

Almost surely, 2^8236172812 is an apocalyptic number.

It is an amenable number.

8236172812 is an abundant number, since it is smaller than the sum of its proper divisors (8244917492).

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

8236172812 is a wasteful number, since it uses less digits than its factorization.

8236172812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156165 (or 156163 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 8236172812 is about 90753.3625382553. The cubic root of 8236172812 is about 2019.4905106592.

The spelling of 8236172812 in words is "eight billion, two hundred thirty-six million, one hundred seventy-two thousand, eight hundred twelve".