8159746812 has 48 divisors (see below), whose sum is σ = 21962707200. Its totient is φ = 2309565312.

The previous prime is 8159746807. The next prime is 8159746813. The reversal of 8159746812 is 2186479518.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8159746813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 444937 + ... + 462912.

It is an arithmetic number, because the mean of its divisors is an integer number (457556400).

Almost surely, 2^8159746812 is an apocalyptic number.

It is an amenable number.

8159746812 is an abundant number, since it is smaller than the sum of its proper divisors (13802960388).

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

8159746812 is a wasteful number, since it uses less digits than its factorization.

8159746812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907970 (or 907968 counting only the distinct ones).

The product of its digits is 967680, while the sum is 51.

The square root of 8159746812 is about 90331.3168950835. The cubic root of 8159746812 is about 2013.2245966181.

The spelling of 8159746812 in words is "eight billion, one hundred fifty-nine million, seven hundred forty-six thousand, eight hundred twelve".