28082175 has 24 divisors (see below), whose sum is σ = 50651520. Its totient is φ = 13615200.

The previous prime is 28082161. The next prime is 28082177. The reversal of 28082175 is 57128082.

It is not a de Polignac number, because 28082175 - 2⁹ = 28081663 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28082177) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16195 + ... + 17844.

It is an arithmetic number, because the mean of its divisors is an integer number (2110480).

Almost surely, 2^28082175 is an apocalyptic number.

28082175 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28082175 is a deficient number, since it is larger than the sum of its proper divisors (22569345).

28082175 is a wasteful number, since it uses less digits than its factorization.

28082175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34063 (or 34058 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 28082175 is about 5299.2617410353. The cubic root of 28082175 is about 303.9556685991.

The spelling of 28082175 in words is "twenty-eight million, eighty-two thousand, one hundred seventy-five".