8178296812 has 12 divisors (see below), whose sum is σ = 16356593680. Its totient is φ = 3504984336.

The previous prime is 8178296803. The next prime is 8178296843. The reversal of 8178296812 is 2186928718.

It is a happy number.

8178296812 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 8178296812.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146040987 + ... + 146041042.

Almost surely, 2^8178296812 is an apocalyptic number.

It is an amenable number.

8178296812 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8178296812 is a wasteful number, since it uses less digits than its factorization.

8178296812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292082040 (or 292082038 counting only the distinct ones).

The product of its digits is 774144, while the sum is 52.

The square root of 8178296812 is about 90433.9361744251. The cubic root of 8178296812 is about 2014.7490333069.

The spelling of 8178296812 in words is "eight billion, one hundred seventy-eight million, two hundred ninety-six thousand, eight hundred twelve".