86364689 has 2 divisors, whose sum is σ = 86364690. Its totient is φ = 86364688.

The previous prime is 86364653. The next prime is 86364703. The reversal of 86364689 is 98646368.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72114064 + 14250625 = 8492^2 + 3775^2 .

It is a cyclic number.

It is not a de Polignac number, because 86364689 - 2⁸ = 86364433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86364589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43182344 + 43182345.

It is an arithmetic number, because the mean of its divisors is an integer number (43182345).

Almost surely, 2^86364689 is an apocalyptic number.

It is an amenable number.

86364689 is a deficient number, since it is larger than the sum of its proper divisors (1).

86364689 is an equidigital number, since it uses as much as digits as its factorization.

86364689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1492992, while the sum is 50.

The square root of 86364689 is about 9293.2604074135. The cubic root of 86364689 is about 442.0235462433.

The spelling of 86364689 in words is "eighty-six million, three hundred sixty-four thousand, six hundred eighty-nine".