28379625186 has 16 divisors (see below), whose sum is σ = 61919182368. Its totient is φ = 8599886400.

The previous prime is 28379625179. The next prime is 28379625199. The reversal of 28379625186 is 68152697382.

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, 214997095 + ... + 214997226.

It is an arithmetic number, because the mean of its divisors is an integer number (3869948898).

Almost surely, 2^28379625186 is an apocalyptic number.

28379625186 is an abundant number, since it is smaller than the sum of its proper divisors (33539557182).

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

28379625186 is a wasteful number, since it uses less digits than its factorization.

28379625186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429994337.

The product of its digits is 8709120, while the sum is 57.

The spelling of 28379625186 in words is "twenty-eight billion, three hundred seventy-nine million, six hundred twenty-five thousand, one hundred eighty-six".