28112285862 has 24 divisors (see below), whose sum is σ = 61374919320. Its totient is φ = 9299228640.

The previous prime is 28112285819. The next prime is 28112285881. The reversal of 28112285862 is 26858221182.

28112285862 is a `hidden beast` number, since 281 + 12 + 285 + 86 + 2 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 5958687 + ... + 5963402.

It is an arithmetic number, because the mean of its divisors is an integer number (2557288305).

Almost surely, 2^28112285862 is an apocalyptic number.

28112285862 is an abundant number, since it is smaller than the sum of its proper divisors (33262633458).

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

28112285862 is a wasteful number, since it uses less digits than its factorization.

28112285862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11922228 (or 11922225 counting only the distinct ones).

The product of its digits is 245760, while the sum is 45.

The spelling of 28112285862 in words is "twenty-eight billion, one hundred twelve million, two hundred eighty-five thousand, eight hundred sixty-two".