28658059 has 2 divisors, whose sum is σ = 28658060. Its totient is φ = 28658058.

The previous prime is 28658053. The next prime is 28658093. The reversal of 28658059 is 95085682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28658059 - 2³ = 28658051 is a prime.

It is not a weakly prime, because it can be changed into another prime (28658051) 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 as a sum of consecutive naturals, namely, 14329029 + 14329030.

It is an arithmetic number, because the mean of its divisors is an integer number (14329030).

Almost surely, 2^28658059 is an apocalyptic number.

28658059 is a deficient number, since it is larger than the sum of its proper divisors (1).

28658059 is an equidigital number, since it uses as much as digits as its factorization.

28658059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 28658059 is about 5353.3222395070. The cubic root of 28658059 is about 306.0193752238.

The spelling of 28658059 in words is "twenty-eight million, six hundred fifty-eight thousand, fifty-nine".