28328895186 has 16 divisors (see below), whose sum is σ = 56673842400. Its totient is φ = 9440289728.

The previous prime is 28328895181. The next prime is 28328895187. The reversal of 28328895186 is 68159882382.

It is not an unprimeable number, because it can be changed into a prime (28328895181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645831 + ... + 688298.

It is an arithmetic number, because the mean of its divisors is an integer number (3542115150).

Almost surely, 2^28328895186 is an apocalyptic number.

28328895186 is an abundant number, since it is smaller than the sum of its proper divisors (28344947214).

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

28328895186 is a wasteful number, since it uses less digits than its factorization.

28328895186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337673.

The product of its digits is 13271040, while the sum is 60.

The spelling of 28328895186 in words is "twenty-eight billion, three hundred twenty-eight million, eight hundred ninety-five thousand, one hundred eighty-six".