28182158284 has 24 divisors (see below), whose sum is σ = 56572318208. Its totient is φ = 12033496080.

The previous prime is 28182158273. The next prime is 28182158309. The reversal of 28182158284 is 48285128182.

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, 1849434 + ... + 1864609.

Almost surely, 2^28182158284 is an apocalyptic number.

It is an amenable number.

28182158284 is an abundant number, since it is smaller than the sum of its proper divisors (28390159924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28182158284 is a wasteful number, since it uses less digits than its factorization.

28182158284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3714325 (or 3714323 counting only the distinct ones).

The product of its digits is 655360, while the sum is 49.

The spelling of 28182158284 in words is "twenty-eight billion, one hundred eighty-two million, one hundred fifty-eight thousand, two hundred eighty-four".