28189008196 has 12 divisors (see below), whose sum is σ = 51475580352. Its totient is φ = 13481699528.

The previous prime is 28189008193. The next prime is 28189008203. The reversal of 28189008196 is 69180098182.

It is not an unprimeable number, because it can be changed into a prime (28189008193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153201040 + ... + 153201223.

It is an arithmetic number, because the mean of its divisors is an integer number (4289631696).

Almost surely, 2^28189008196 is an apocalyptic number.

It is an amenable number.

28189008196 is a deficient number, since it is larger than the sum of its proper divisors (23286572156).

28189008196 is a wasteful number, since it uses less digits than its factorization.

28189008196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306402290 (or 306402288 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 52.

The spelling of 28189008196 in words is "twenty-eight billion, one hundred eighty-nine million, eight thousand, one hundred ninety-six".