28107875874 has 32 divisors (see below), whose sum is σ = 60722996544. Its totient is φ = 8622440640.

The previous prime is 28107875843. The next prime is 28107875941. The reversal of 28107875874 is 47857870182.

It is a super-2 number, since 2×28107875874² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 518529 + ... + 570164.

It is an arithmetic number, because the mean of its divisors is an integer number (1897593642).

Almost surely, 2^28107875874 is an apocalyptic number.

28107875874 is an abundant number, since it is smaller than the sum of its proper divisors (32615120670).

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

28107875874 is a wasteful number, since it uses less digits than its factorization.

28107875874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089042.

The product of its (nonzero) digits is 7024640, while the sum is 57.

The spelling of 28107875874 in words is "twenty-eight billion, one hundred seven million, eight hundred seventy-five thousand, eight hundred seventy-four".