86247017 has 2 divisors, whose sum is σ = 86247018. Its totient is φ = 86247016.

The previous prime is 86246989. The next prime is 86247019. The reversal of 86247017 is 71074268.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82101721 + 4145296 = 9061^2 + 2036^2 .

It is a cyclic number.

It is not a de Polignac number, because 86247017 - 2¹⁰ = 86245993 is a prime.

Together with 86247019, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86247019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43123508 + 43123509.

It is an arithmetic number, because the mean of its divisors is an integer number (43123509).

Almost surely, 2^86247017 is an apocalyptic number.

It is an amenable number.

86247017 is a deficient number, since it is larger than the sum of its proper divisors (1).

86247017 is an equidigital number, since it uses as much as digits as its factorization.

86247017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 86247017 is about 9286.9272097933. The cubic root of 86247017 is about 441.8227024486.

The spelling of 86247017 in words is "eighty-six million, two hundred forty-seven thousand, seventeen".