28528179 has 8 divisors (see below), whose sum is σ = 38496192. Its totient is φ = 18789480.

The previous prime is 28528163. The next prime is 28528183. The reversal of 28528179 is 97182582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28528179 - 2⁴ = 28528163 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28528179.

It is not an unprimeable number, because it can be changed into a prime (28528189) 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, 57037 + ... + 57534.

It is an arithmetic number, because the mean of its divisors is an integer number (4812024).

Almost surely, 2^28528179 is an apocalyptic number.

28528179 is a deficient number, since it is larger than the sum of its proper divisors (9968013).

28528179 is a wasteful number, since it uses less digits than its factorization.

28528179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114657.

The product of its digits is 80640, while the sum is 42.

The square root of 28528179 is about 5341.1776791266. The cubic root of 28528179 is about 305.5563758337.

The spelling of 28528179 in words is "twenty-eight million, five hundred twenty-eight thousand, one hundred seventy-nine".