8078972812 has 12 divisors (see below), whose sum is σ = 14147496216. Its totient is φ = 4036831040.

The previous prime is 8078972809. The next prime is 8078972887. The reversal of 8078972812 is 2182798708.

It is a self number, because there is not a number n which added to its sum of digits gives 8078972812.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656989 + ... + 669172.

It is an arithmetic number, because the mean of its divisors is an integer number (1178958018).

Almost surely, 2^8078972812 is an apocalyptic number.

It is an amenable number.

8078972812 is a deficient number, since it is larger than the sum of its proper divisors (6068523404).

8078972812 is a wasteful number, since it uses less digits than its factorization.

8078972812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327688 (or 1327686 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 52.

The square root of 8078972812 is about 89883.1063771163. The cubic root of 8078972812 is about 2006.5595304270.

The spelling of 8078972812 in words is "eight billion, seventy-eight million, nine hundred seventy-two thousand, eight hundred twelve".