28745741198 has 16 divisors (see below), whose sum is σ = 43546794720. Its totient is φ = 14230204416.

The previous prime is 28745741183. The next prime is 28745741249. The reversal of 28745741198 is 89114754782.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1134686 + ... + 1159742.

It is an arithmetic number, because the mean of its divisors is an integer number (2721674670).

Almost surely, 2^28745741198 is an apocalyptic number.

28745741198 is a deficient number, since it is larger than the sum of its proper divisors (14801053522).

28745741198 is a wasteful number, since it uses less digits than its factorization.

28745741198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30731.

The product of its digits is 4515840, while the sum is 56.

The spelling of 28745741198 in words is "twenty-eight billion, seven hundred forty-five million, seven hundred forty-one thousand, one hundred ninety-eight".