28080822184 has 64 divisors (see below), whose sum is σ = 53862354000. Its totient is φ = 13722255360.

The previous prime is 28080822137. The next prime is 28080822193. The reversal of 28080822184 is 48122808082.

It can be written as a sum of positive squares in 8 ways, for example, as 284596900 + 27796225284 = 16870^2 + 166722^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 28080822184.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24871732 + ... + 24872860.

Almost surely, 2^28080822184 is an apocalyptic number.

It is an amenable number.

28080822184 is a deficient number, since it is larger than the sum of its proper divisors (25781531816).

28080822184 is a wasteful number, since it uses less digits than its factorization.

28080822184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598 (or 1594 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 43.

The spelling of 28080822184 in words is "twenty-eight billion, eighty million, eight hundred twenty-two thousand, one hundred eighty-four".