86329589 has 2 divisors, whose sum is σ = 86329590. Its totient is φ = 86329588.

The previous prime is 86329531. The next prime is 86329601. The reversal of 86329589 is 98592368.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52200625 + 34128964 = 7225^2 + 5842^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86329589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86329889) 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, 43164794 + 43164795.

It is an arithmetic number, because the mean of its divisors is an integer number (43164795).

Almost surely, 2^86329589 is an apocalyptic number.

It is an amenable number.

86329589 is a deficient number, since it is larger than the sum of its proper divisors (1).

86329589 is an equidigital number, since it uses as much as digits as its factorization.

86329589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 50.

The square root of 86329589 is about 9291.3717501777. The cubic root of 86329589 is about 441.9636563007.

The spelling of 86329589 in words is "eighty-six million, three hundred twenty-nine thousand, five hundred eighty-nine".