86897017 has 2 divisors, whose sum is σ = 86897018. Its totient is φ = 86897016.

The previous prime is 86897011. The next prime is 86897071. The reversal of 86897017 is 71079868.

Together with next prime (86897071) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81793936 + 5103081 = 9044^2 + 2259^2 .

It is a cyclic number.

It is not a de Polignac number, because 86897017 - 2⁷ = 86896889 is a prime.

It is not a weakly prime, because it can be changed into another prime (86897011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43448508 + 43448509.

It is an arithmetic number, because the mean of its divisors is an integer number (43448509).

Almost surely, 2^86897017 is an apocalyptic number.

It is an amenable number.

86897017 is a deficient number, since it is larger than the sum of its proper divisors (1).

86897017 is an equidigital number, since it uses as much as digits as its factorization.

86897017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 46.

The square root of 86897017 is about 9321.8569502004. The cubic root of 86897017 is about 442.9298569022.

The spelling of 86897017 in words is "eighty-six million, eight hundred ninety-seven thousand, seventeen".