86246539 has 2 divisors, whose sum is σ = 86246540. Its totient is φ = 86246538.

The previous prime is 86246521. The next prime is 86246549. The reversal of 86246539 is 93564268.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86246539 - 2¹⁹ = 85722251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86246495 and 86246504.

It is not a weakly prime, because it can be changed into another prime (86246549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43123269 + 43123270.

It is an arithmetic number, because the mean of its divisors is an integer number (43123270).

Almost surely, 2^86246539 is an apocalyptic number.

86246539 is a deficient number, since it is larger than the sum of its proper divisors (1).

86246539 is an equidigital number, since it uses as much as digits as its factorization.

86246539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 43.

The square root of 86246539 is about 9286.9014746577. The cubic root of 86246539 is about 441.8218862208.

The spelling of 86246539 in words is "eighty-six million, two hundred forty-six thousand, five hundred thirty-nine".