86116717 has 2 divisors, whose sum is σ = 86116718. Its totient is φ = 86116716.

The previous prime is 86116699. The next prime is 86116739. The reversal of 86116717 is 71761168.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82192356 + 3924361 = 9066^2 + 1981^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86116717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86116757) 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, 43058358 + 43058359.

It is an arithmetic number, because the mean of its divisors is an integer number (43058359).

Almost surely, 2^86116717 is an apocalyptic number.

It is an amenable number.

86116717 is a deficient number, since it is larger than the sum of its proper divisors (1).

86116717 is an equidigital number, since it uses as much as digits as its factorization.

86116717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 37.

The square root of 86116717 is about 9279.9093206777. The cubic root of 86116717 is about 441.6000917967.

It can be divided in two parts, 861167 and 17, that added together give a square (861184 = 928²).

The spelling of 86116717 in words is "eighty-six million, one hundred sixteen thousand, seven hundred seventeen".