86352817 has 2 divisors, whose sum is σ = 86352818. Its totient is φ = 86352816.

The previous prime is 86352803. The next prime is 86352821. The reversal of 86352817 is 71825368.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74235456 + 12117361 = 8616^2 + 3481^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86352817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86352817.

It is not a weakly prime, because it can be changed into another prime (86356817) 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, 43176408 + 43176409.

It is an arithmetic number, because the mean of its divisors is an integer number (43176409).

Almost surely, 2^86352817 is an apocalyptic number.

It is an amenable number.

86352817 is a deficient number, since it is larger than the sum of its proper divisors (1).

86352817 is an equidigital number, since it uses as much as digits as its factorization.

86352817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 40.

The square root of 86352817 is about 9292.6216430026. The cubic root of 86352817 is about 442.0032912676.

The spelling of 86352817 in words is "eighty-six million, three hundred fifty-two thousand, eight hundred seventeen".