28585607 has 2 divisors, whose sum is σ = 28585608. Its totient is φ = 28585606.

The previous prime is 28585589. The next prime is 28585621. The reversal of 28585607 is 70658582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28585607 - 2¹⁴ = 28569223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28585657) 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, 14292803 + 14292804.

It is an arithmetic number, because the mean of its divisors is an integer number (14292804).

Almost surely, 2^28585607 is an apocalyptic number.

28585607 is a deficient number, since it is larger than the sum of its proper divisors (1).

28585607 is an equidigital number, since it uses as much as digits as its factorization.

28585607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 28585607 is about 5346.5509443004. The cubic root of 28585607 is about 305.7612695072.

It can be divided in two parts, 28585 and 607, that added together give a palindrome (29192).

The spelling of 28585607 in words is "twenty-eight million, five hundred eighty-five thousand, six hundred seven".