86496217 has 2 divisors, whose sum is σ = 86496218. Its totient is φ = 86496216.

The previous prime is 86496203. The next prime is 86496233. The reversal of 86496217 is 71269468.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79227801 + 7268416 = 8901^2 + 2696^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86496217 is a prime.

It is a super-2 number, since 2×86496217² = 14963191110622178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86496317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43248108 + 43248109.

It is an arithmetic number, because the mean of its divisors is an integer number (43248109).

Almost surely, 2^86496217 is an apocalyptic number.

It is an amenable number.

86496217 is a deficient number, since it is larger than the sum of its proper divisors (1).

86496217 is an equidigital number, since it uses as much as digits as its factorization.

86496217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 43.

The square root of 86496217 is about 9300.3342413055. The cubic root of 86496217 is about 442.2478237995.

The spelling of 86496217 in words is "eighty-six million, four hundred ninety-six thousand, two hundred seventeen".