28585974674 has 16 divisors (see below), whose sum is σ = 45473239296. Its totient is φ = 13430894400.

The previous prime is 28585974643. The next prime is 28585974679. The reversal of 28585974674 is 47647958582.

It is a self number, because there is not a number n which added to its sum of digits gives 28585974674.

It is not an unprimeable number, because it can be changed into a prime (28585974679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644762 + ... + 687669.

It is an arithmetic number, because the mean of its divisors is an integer number (2842077456).

Almost surely, 2^28585974674 is an apocalyptic number.

28585974674 is a deficient number, since it is larger than the sum of its proper divisors (16887264622).

28585974674 is a wasteful number, since it uses less digits than its factorization.

28585974674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333081.

The product of its digits is 135475200, while the sum is 65.

The spelling of 28585974674 in words is "twenty-eight billion, five hundred eighty-five million, nine hundred seventy-four thousand, six hundred seventy-four".