86341289 has 2 divisors, whose sum is σ = 86341290. Its totient is φ = 86341288.

The previous prime is 86341279. The next prime is 86341327. The reversal of 86341289 is 98214368.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86341264 + 25 = 9292^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 86341289 - 2¹⁶ = 86275753 is a prime.

It is a super-3 number, since 3×86341289³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (86341219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43170644 + 43170645.

It is an arithmetic number, because the mean of its divisors is an integer number (43170645).

Almost surely, 2^86341289 is an apocalyptic number.

It is an amenable number.

86341289 is a deficient number, since it is larger than the sum of its proper divisors (1).

86341289 is an equidigital number, since it uses as much as digits as its factorization.

86341289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 41.

The square root of 86341289 is about 9292.0013452431. The cubic root of 86341289 is about 441.9836214183.

The spelling of 86341289 in words is "eighty-six million, three hundred forty-one thousand, two hundred eighty-nine".