28321060474 has 24 divisors (see below), whose sum is σ = 49453587828. Its totient is φ = 12128699520.

The previous prime is 28321060463. The next prime is 28321060499. The reversal of 28321060474 is 47406012382.

It can be written as a sum of positive squares in 2 ways, for example, as 27404484849 + 916575625 = 165543^2 + 30275^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29314 + ... + 239794.

Almost surely, 2^28321060474 is an apocalyptic number.

28321060474 is a deficient number, since it is larger than the sum of its proper divisors (21132527354).

28321060474 is a wasteful number, since it uses less digits than its factorization.

28321060474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211870 (or 211863 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The spelling of 28321060474 in words is "twenty-eight billion, three hundred twenty-one million, sixty thousand, four hundred seventy-four".