28944187196 has 12 divisors (see below), whose sum is σ = 51510842040. Its totient is φ = 14226803760.

The previous prime is 28944187189. The next prime is 28944187213. The reversal of 28944187196 is 69178144982.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61322195 + ... + 61322666.

It is an arithmetic number, because the mean of its divisors is an integer number (4292570170).

Almost surely, 2^28944187196 is an apocalyptic number.

It is an amenable number.

28944187196 is a deficient number, since it is larger than the sum of its proper divisors (22566654844).

28944187196 is a wasteful number, since it uses less digits than its factorization.

28944187196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122644924 (or 122644922 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 59.

The spelling of 28944187196 in words is "twenty-eight billion, nine hundred forty-four million, one hundred eighty-seven thousand, one hundred ninety-six".