86459497 has 2 divisors, whose sum is σ = 86459498. Its totient is φ = 86459496.

The previous prime is 86459479. The next prime is 86459551. The reversal of 86459497 is 79495468.

It is a happy number.

Together with previous prime (86459479) 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., 80622441 + 5837056 = 8979^2 + 2416^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86459497 is a prime.

It is not a weakly prime, because it can be changed into another prime (86459797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43229748 + 43229749.

It is an arithmetic number, because the mean of its divisors is an integer number (43229749).

Almost surely, 2^86459497 is an apocalyptic number.

It is an amenable number.

86459497 is a deficient number, since it is larger than the sum of its proper divisors (1).

86459497 is an equidigital number, since it uses as much as digits as its factorization.

86459497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 52.

The square root of 86459497 is about 9298.3599091453. The cubic root of 86459497 is about 442.1852328593.

The spelling of 86459497 in words is "eighty-six million, four hundred fifty-nine thousand, four hundred ninety-seven".