28112285586 has 96 divisors (see below), whose sum is σ = 75547121472. Its totient is φ = 6872355840.

The previous prime is 28112285573. The next prime is 28112285609. The reversal of 28112285586 is 68558221182.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 200691 + ... + 310646.

It is an arithmetic number, because the mean of its divisors is an integer number (786949182).

Almost surely, 2^28112285586 is an apocalyptic number.

28112285586 is an abundant number, since it is smaller than the sum of its proper divisors (47434835886).

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

28112285586 is a wasteful number, since it uses less digits than its factorization.

28112285586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511384 (or 511377 counting only the distinct ones).

The product of its digits is 614400, while the sum is 48.

The spelling of 28112285586 in words is "twenty-eight billion, one hundred twelve million, two hundred eighty-five thousand, five hundred eighty-six".