28130179 has 8 divisors (see below), whose sum is σ = 35071488. Its totient is φ = 21919560.

The previous prime is 28130159. The next prime is 28130191. The reversal of 28130179 is 97103182.

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

It is a cyclic number.

It is not a de Polignac number, because 28130179 - 2¹⁵ = 28097411 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 28130179.

It is not an unprimeable number, because it can be changed into a prime (28130149) 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, 182587 + ... + 182740.

It is an arithmetic number, because the mean of its divisors is an integer number (4383936).

Almost surely, 2^28130179 is an apocalyptic number.

28130179 is a deficient number, since it is larger than the sum of its proper divisors (6941309).

28130179 is a wasteful number, since it uses less digits than its factorization.

28130179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365345.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 28130179 is about 5303.7891172255. The cubic root of 28130179 is about 304.1287651362.

The spelling of 28130179 in words is "twenty-eight million, one hundred thirty thousand, one hundred seventy-nine".