28415325284 has 24 divisors (see below), whose sum is σ = 52370102400. Its totient is φ = 13453184160.

The previous prime is 28415325277. The next prime is 28415325293. The reversal of 28415325284 is 48252351482.

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, 62069 + ... + 246339.

It is an arithmetic number, because the mean of its divisors is an integer number (2182087600).

Almost surely, 2^28415325284 is an apocalyptic number.

It is an amenable number.

28415325284 is a deficient number, since it is larger than the sum of its proper divisors (23954777116).

28415325284 is a wasteful number, since it uses less digits than its factorization.

28415325284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186323 (or 186321 counting only the distinct ones).

The product of its digits is 614400, while the sum is 44.

The spelling of 28415325284 in words is "twenty-eight billion, four hundred fifteen million, three hundred twenty-five thousand, two hundred eighty-four".