28828079 has 8 divisors (see below), whose sum is σ = 33317280. Its totient is φ = 24431616.

The previous prime is 28828067. The next prime is 28828081. The reversal of 28828079 is 97082882.

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 28828079 - 2⁸ = 28827823 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 (28828279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22514 + ... + 23759.

It is an arithmetic number, because the mean of its divisors is an integer number (4164660).

Almost surely, 2^28828079 is an apocalyptic number.

28828079 is a deficient number, since it is larger than the sum of its proper divisors (4489201).

28828079 is an equidigital number, since it uses as much as digits as its factorization.

28828079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46369.

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 28828079 is about 5369.1786150211. The cubic root of 28828079 is about 306.6233572792.

The spelling of 28828079 in words is "twenty-eight million, eight hundred twenty-eight thousand, seventy-nine".