28559875 has 8 divisors (see below), whose sum is σ = 35642880. Its totient is φ = 22847800.

The previous prime is 28559857. The next prime is 28559899. The reversal of 28559875 is 57895582.

It is not a de Polignac number, because 28559875 - 2⁷ = 28559747 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114115 + ... + 114364.

It is an arithmetic number, because the mean of its divisors is an integer number (4455360).

Almost surely, 2^28559875 is an apocalyptic number.

28559875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28559875 is a deficient number, since it is larger than the sum of its proper divisors (7083005).

28559875 is an equidigital number, since it uses as much as digits as its factorization.

28559875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228494 (or 228484 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 49.

The square root of 28559875 is about 5344.1439913236. The cubic root of 28559875 is about 305.6694959213.

The spelling of 28559875 in words is "twenty-eight million, five hundred fifty-nine thousand, eight hundred seventy-five".