28058579 has 2 divisors, whose sum is σ = 28058580. Its totient is φ = 28058578.

The previous prime is 28058557. The next prime is 28058593. The reversal of 28058579 is 97585082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28058579 - 2²⁰ = 27010003 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28058519) 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, 14029289 + 14029290.

It is an arithmetic number, because the mean of its divisors is an integer number (14029290).

Almost surely, 2^28058579 is an apocalyptic number.

28058579 is a deficient number, since it is larger than the sum of its proper divisors (1).

28058579 is an equidigital number, since it uses as much as digits as its factorization.

28058579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 44.

The square root of 28058579 is about 5297.0349253143. The cubic root of 28058579 is about 303.8705119984.

The spelling of 28058579 in words is "twenty-eight million, fifty-eight thousand, five hundred seventy-nine".