28159079 has 8 divisors (see below), whose sum is σ = 30371040. Its totient is φ = 25953696.

The previous prime is 28159073. The next prime is 28159081. The reversal of 28159079 is 97095182.

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 28159079 - 2²⁴ = 11381863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28159073) 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, 10769 + ... + 13125.

It is an arithmetic number, because the mean of its divisors is an integer number (3796380).

Almost surely, 2^28159079 is an apocalyptic number.

28159079 is a deficient number, since it is larger than the sum of its proper divisors (2211961).

28159079 is a wasteful number, since it uses less digits than its factorization.

28159079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3289.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 28159079 is about 5306.5128851252. The cubic root of 28159079 is about 304.2328800452.

The spelling of 28159079 in words is "twenty-eight million, one hundred fifty-nine thousand, seventy-nine".