28274333512 has 32 divisors (see below), whose sum is σ = 54479779200. Its totient is φ = 13746849984.

The previous prime is 28274333471. The next prime is 28274333567. The reversal of 28274333512 is 21533347282.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 482289 + ... + 537727.

It is an arithmetic number, because the mean of its divisors is an integer number (1702493100).

Almost surely, 2^28274333512 is an apocalyptic number.

It is an amenable number.

28274333512 is a deficient number, since it is larger than the sum of its proper divisors (26205445688).

28274333512 is a wasteful number, since it uses less digits than its factorization.

28274333512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57205 (or 57201 counting only the distinct ones).

The product of its digits is 241920, while the sum is 40.

The spelling of 28274333512 in words is "twenty-eight billion, two hundred seventy-four million, three hundred thirty-three thousand, five hundred twelve".