28689374594 has 8 divisors (see below), whose sum is σ = 44034854160. Its totient is φ = 14011089876.

The previous prime is 28689374521. The next prime is 28689374627. The reversal of 28689374594 is 49547398682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 28689374594.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166798604 + ... + 166798775.

It is an arithmetic number, because the mean of its divisors is an integer number (5504356770).

Almost surely, 2^28689374594 is an apocalyptic number.

28689374594 is a deficient number, since it is larger than the sum of its proper divisors (15345479566).

28689374594 is a wasteful number, since it uses less digits than its factorization.

28689374594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333597424.

The product of its digits is 104509440, while the sum is 65.

The spelling of 28689374594 in words is "twenty-eight billion, six hundred eighty-nine million, three hundred seventy-four thousand, five hundred ninety-four".