86578339 has 2 divisors, whose sum is σ = 86578340. Its totient is φ = 86578338.

The previous prime is 86578291. The next prime is 86578361. The reversal of 86578339 is 93387568.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86578339 - 2²⁵ = 53023907 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 86578292 and 86578301.

It is not a weakly prime, because it can be changed into another prime (86578139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43289169 + 43289170.

It is an arithmetic number, because the mean of its divisors is an integer number (43289170).

Almost surely, 2^86578339 is an apocalyptic number.

86578339 is a deficient number, since it is larger than the sum of its proper divisors (1).

86578339 is an equidigital number, since it uses as much as digits as its factorization.

86578339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 49.

The square root of 86578339 is about 9304.7481964855. The cubic root of 86578339 is about 442.3877404696.

The spelling of 86578339 in words is "eighty-six million, five hundred seventy-eight thousand, three hundred thirty-nine".