86106817 has 2 divisors, whose sum is σ = 86106818. Its totient is φ = 86106816.

The previous prime is 86106799. The next prime is 86106851. The reversal of 86106817 is 71860168.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78216336 + 7890481 = 8844^2 + 2809^2 .

It is a cyclic number.

It is not a de Polignac number, because 86106817 - 2¹⁵ = 86074049 is a prime.

It is not a weakly prime, because it can be changed into another prime (86106857) 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, 43053408 + 43053409.

It is an arithmetic number, because the mean of its divisors is an integer number (43053409).

Almost surely, 2^86106817 is an apocalyptic number.

It is an amenable number.

86106817 is a deficient number, since it is larger than the sum of its proper divisors (1).

86106817 is an equidigital number, since it uses as much as digits as its factorization.

86106817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 86106817 is about 9279.3758949619. The cubic root of 86106817 is about 441.5831689947.

The spelling of 86106817 in words is "eighty-six million, one hundred six thousand, eight hundred seventeen".