28275027 has 16 divisors (see below), whose sum is σ = 42916608. Its totient is φ = 16390880.

The previous prime is 28275011. The next prime is 28275031. The reversal of 28275027 is 72057282.

It is not a de Polignac number, because 28275027 - 2⁴ = 28275011 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (28275077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17868 + ... + 19385.

It is an arithmetic number, because the mean of its divisors is an integer number (2682288).

Almost surely, 2^28275027 is an apocalyptic number.

28275027 is a deficient number, since it is larger than the sum of its proper divisors (14641581).

28275027 is a wasteful number, since it uses less digits than its factorization.

28275027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37290.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 28275027 is about 5317.4267272808. The cubic root of 28275027 is about 304.6498786264.

The spelling of 28275027 in words is "twenty-eight million, two hundred seventy-five thousand, twenty-seven".