86086709 has 2 divisors, whose sum is σ = 86086710. Its totient is φ = 86086708.

The previous prime is 86086613. The next prime is 86086727. The reversal of 86086709 is 90768068.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82174225 + 3912484 = 9065^2 + 1978^2 .

It is a cyclic number.

It is not a de Polignac number, because 86086709 - 2¹² = 86082613 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86086709.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86086789) 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, 43043354 + 43043355.

It is an arithmetic number, because the mean of its divisors is an integer number (43043355).

Almost surely, 2^86086709 is an apocalyptic number.

It is an amenable number.

86086709 is a deficient number, since it is larger than the sum of its proper divisors (1).

86086709 is an equidigital number, since it uses as much as digits as its factorization.

86086709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 86086709 is about 9278.2923536608. The cubic root of 86086709 is about 441.5487929103.

The spelling of 86086709 in words is "eighty-six million, eighty-six thousand, seven hundred nine".