28194725375 has 16 divisors (see below), whose sum is σ = 36716891328. Its totient is φ = 21575092000.

The previous prime is 28194725357. The next prime is 28194725387. The reversal of 28194725375 is 57352749182.

It is not a de Polignac number, because 28194725375 - 2³⁴ = 11014856191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4900556 + ... + 4906305.

It is an arithmetic number, because the mean of its divisors is an integer number (2294805708).

Almost surely, 2^28194725375 is an apocalyptic number.

28194725375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28194725375 is a deficient number, since it is larger than the sum of its proper divisors (8522165953).

28194725375 is an equidigital number, since it uses as much as digits as its factorization.

28194725375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9806899 (or 9806889 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 53.

The spelling of 28194725375 in words is "twenty-eight billion, one hundred ninety-four million, seven hundred twenty-five thousand, three hundred seventy-five".