28080716612 has 12 divisors (see below), whose sum is σ = 52921350636. Its totient is φ = 12960330720.

The previous prime is 28080716567. The next prime is 28080716707. The reversal of 28080716612 is 21661708082.

It can be written as a sum of positive squares in 2 ways, for example, as 4593315076 + 23487401536 = 67774^2 + 153256^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 28080716612.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270006839 + ... + 270006942.

It is an arithmetic number, because the mean of its divisors is an integer number (4410112553).

Almost surely, 2^28080716612 is an apocalyptic number.

It is an amenable number.

28080716612 is a deficient number, since it is larger than the sum of its proper divisors (24840634024).

28080716612 is a wasteful number, since it uses less digits than its factorization.

28080716612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540013798 (or 540013796 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The spelling of 28080716612 in words is "twenty-eight billion, eighty million, seven hundred sixteen thousand, six hundred twelve".