7900000912 has 20 divisors (see below), whose sum is σ = 16206620076. Its totient is φ = 3717647360.

The previous prime is 7900000907. The next prime is 7900000919. The reversal of 7900000912 is 2190000097.

It can be written as a sum of positive squares in 2 ways, for example, as 5177665936 + 2722334976 = 71956^2 + 52176^2 .

It is not an unprimeable number, because it can be changed into a prime (7900000919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14521789 + ... + 14522332.

Almost surely, 2^7900000912 is an apocalyptic number.

It is an amenable number.

7900000912 is an abundant number, since it is smaller than the sum of its proper divisors (8306619164).

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

7900000912 is a wasteful number, since it uses less digits than its factorization.

7900000912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29044146 (or 29044140 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 7900000912 is about 88881.9493035566. The cubic root of 7900000912 is about 1991.6317779299.

The spelling of 7900000912 in words is "seven billion, nine hundred million, nine hundred twelve", and thus it is an aban number.