86560291 has 2 divisors, whose sum is σ = 86560292. Its totient is φ = 86560290.

The previous prime is 86560267. The next prime is 86560343. The reversal of 86560291 is 19206568.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86560291 - 2⁷ = 86560163 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86560291.

It is not a weakly prime, because it can be changed into another prime (86560231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43280145 + 43280146.

It is an arithmetic number, because the mean of its divisors is an integer number (43280146).

Almost surely, 2^86560291 is an apocalyptic number.

86560291 is a deficient number, since it is larger than the sum of its proper divisors (1).

86560291 is an equidigital number, since it uses as much as digits as its factorization.

86560291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 86560291 is about 9303.7783185112. The cubic root of 86560291 is about 442.3569984892.

The spelling of 86560291 in words is "eighty-six million, five hundred sixty thousand, two hundred ninety-one".