28082305375 has 8 divisors (see below), whose sum is σ = 35046717264. Its totient is φ = 22465844200.

The previous prime is 28082305351. The next prime is 28082305379. The reversal of 28082305375 is 57350328082.

It is not a de Polignac number, because 28082305375 - 2⁹ = 28082304863 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28082305379) 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, 112329097 + ... + 112329346.

It is an arithmetic number, because the mean of its divisors is an integer number (4380839658).

Almost surely, 2^28082305375 is an apocalyptic number.

28082305375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28082305375 is a deficient number, since it is larger than the sum of its proper divisors (6964411889).

28082305375 is an equidigital number, since it uses as much as digits as its factorization.

28082305375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224658458 (or 224658448 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 28082305375 in words is "twenty-eight billion, eighty-two million, three hundred five thousand, three hundred seventy-five".