28456079 has 8 divisors (see below), whose sum is σ = 30218688. Its totient is φ = 26703360.

The previous prime is 28456063. The next prime is 28456081. The reversal of 28456079 is 97065482.

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 28456079 - 2⁴ = 28456063 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 (28456979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3959 + ... + 8519.

It is an arithmetic number, because the mean of its divisors is an integer number (3777336).

Almost surely, 2^28456079 is an apocalyptic number.

28456079 is a deficient number, since it is larger than the sum of its proper divisors (1762609).

28456079 is a wasteful number, since it uses less digits than its factorization.

28456079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4945.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 28456079 is about 5334.4239614039. The cubic root of 28456079 is about 305.2987451789.

The spelling of 28456079 in words is "twenty-eight million, four hundred fifty-six thousand, seventy-nine".