86256329 has 2 divisors, whose sum is σ = 86256330. Its totient is φ = 86256328.

The previous prime is 86256299. The next prime is 86256343. The reversal of 86256329 is 92365268.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86062729 + 193600 = 9277^2 + 440^2 .

It is a cyclic number.

It is not a de Polignac number, because 86256329 - 2⁸ = 86256073 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86256349) 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, 43128164 + 43128165.

It is an arithmetic number, because the mean of its divisors is an integer number (43128165).

Almost surely, 2^86256329 is an apocalyptic number.

It is an amenable number.

86256329 is a deficient number, since it is larger than the sum of its proper divisors (1).

86256329 is an equidigital number, since it uses as much as digits as its factorization.

86256329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 41.

The square root of 86256329 is about 9287.4285461585. The cubic root of 86256329 is about 441.8386029211.

The spelling of 86256329 in words is "eighty-six million, two hundred fifty-six thousand, three hundred twenty-nine".