86669339 has 2 divisors, whose sum is σ = 86669340. Its totient is φ = 86669338.

The previous prime is 86669311. The next prime is 86669353. The reversal of 86669339 is 93396668.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86669339 is a prime.

It is not a weakly prime, because it can be changed into another prime (86669389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43334669 + 43334670.

It is an arithmetic number, because the mean of its divisors is an integer number (43334670).

Almost surely, 2^86669339 is an apocalyptic number.

86669339 is a deficient number, since it is larger than the sum of its proper divisors (1).

86669339 is an equidigital number, since it uses as much as digits as its factorization.

86669339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1259712, while the sum is 50.

The square root of 86669339 is about 9309.6368887299. The cubic root of 86669339 is about 442.5426798715.

The spelling of 86669339 in words is "eighty-six million, six hundred sixty-nine thousand, three hundred thirty-nine".