28080079 has 8 divisors (see below), whose sum is σ = 30246912. Its totient is φ = 25992120.

The previous prime is 28080061. The next prime is 28080097. The reversal of 28080079 is 97008082.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28080061) and next prime (28080097).

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 28080079 - 2⁷ = 28079951 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 (28080029) 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, 18979 + ... + 20404.

It is an arithmetic number, because the mean of its divisors is an integer number (3780864).

Almost surely, 2^28080079 is an apocalyptic number.

28080079 is a deficient number, since it is larger than the sum of its proper divisors (2166833).

28080079 is a wasteful number, since it uses less digits than its factorization.

28080079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39437.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 28080079 is about 5299.0639739486. The cubic root of 28080079 is about 303.9481061871.

The spelling of 28080079 in words is "twenty-eight million, eighty thousand, seventy-nine".