86215159 has 2 divisors, whose sum is σ = 86215160. Its totient is φ = 86215158.

The previous prime is 86215147. The next prime is 86215183. The reversal of 86215159 is 95151268.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86215159 - 2¹¹ = 86213111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86215859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43107579 + 43107580.

It is an arithmetic number, because the mean of its divisors is an integer number (43107580).

Almost surely, 2^86215159 is an apocalyptic number.

86215159 is a deficient number, since it is larger than the sum of its proper divisors (1).

86215159 is an equidigital number, since it uses as much as digits as its factorization.

86215159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 37.

The square root of 86215159 is about 9285.2118446485. The cubic root of 86215159 is about 441.7682954613.

The spelling of 86215159 in words is "eighty-six million, two hundred fifteen thousand, one hundred fifty-nine".