86159629 has 2 divisors, whose sum is σ = 86159630. Its totient is φ = 86159628.

The previous prime is 86159627. The next prime is 86159663. The reversal of 86159629 is 92695168.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72284004 + 13875625 = 8502^2 + 3725^2 .

It is a cyclic number.

It is not a de Polignac number, because 86159629 - 2¹ = 86159627 is a prime.

Together with 86159627, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86159627) 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, 43079814 + 43079815.

It is an arithmetic number, because the mean of its divisors is an integer number (43079815).

Almost surely, 2^86159629 is an apocalyptic number.

It is an amenable number.

86159629 is a deficient number, since it is larger than the sum of its proper divisors (1).

86159629 is an equidigital number, since it uses as much as digits as its factorization.

86159629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 46.

The square root of 86159629 is about 9282.2211242784. The cubic root of 86159629 is about 441.6734294602.

The spelling of 86159629 in words is "eighty-six million, one hundred fifty-nine thousand, six hundred twenty-nine".