28589437612 has 12 divisors (see below), whose sum is σ = 50150925720. Its totient is φ = 14260601696.

The previous prime is 28589437609. The next prime is 28589437631. The reversal of 28589437612 is 21673498582.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8527393 + ... + 8530744.

It is an arithmetic number, because the mean of its divisors is an integer number (4179243810).

Almost surely, 2^28589437612 is an apocalyptic number.

It is an amenable number.

28589437612 is a deficient number, since it is larger than the sum of its proper divisors (21561488108).

28589437612 is a wasteful number, since it uses less digits than its factorization.

28589437612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17058560 (or 17058558 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 55.

The spelling of 28589437612 in words is "twenty-eight billion, five hundred eighty-nine million, four hundred thirty-seven thousand, six hundred twelve".