28202875 has 16 divisors (see below), whose sum is σ = 36062208. Its totient is φ = 22008000.

The previous prime is 28202857. The next prime is 28202891. The reversal of 28202875 is 57820282.

It is not a de Polignac number, because 28202875 - 2¹⁹ = 27678587 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28202875.

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 15 ways as a sum of consecutive naturals, for example, 2374 + ... + 7876.

It is an arithmetic number, because the mean of its divisors is an integer number (2253888).

Almost surely, 2^28202875 is an apocalyptic number.

28202875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28202875 is a deficient number, since it is larger than the sum of its proper divisors (7859333).

28202875 is an equidigital number, since it uses as much as digits as its factorization.

28202875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5559 (or 5549 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 28202875 is about 5310.6379089522. The cubic root of 28202875 is about 304.3905234758.

The spelling of 28202875 in words is "twenty-eight million, two hundred two thousand, eight hundred seventy-five".