86560009 has 4 divisors (see below), whose sum is σ = 87091216. Its totient is φ = 86028804.

The previous prime is 86559997. The next prime is 86560013. The reversal of 86560009 is 90006568.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86560009 - 2²⁵ = 53005577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86560049) 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 in 3 ways as a sum of consecutive naturals, for example, 265359 + ... + 265684.

It is an arithmetic number, because the mean of its divisors is an integer number (21772804).

Almost surely, 2^86560009 is an apocalyptic number.

It is an amenable number.

86560009 is a deficient number, since it is larger than the sum of its proper divisors (531207).

86560009 is a wasteful number, since it uses less digits than its factorization.

86560009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531206.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 86560009 is about 9303.7631633657. The cubic root of 86560009 is about 442.3565181119.

The spelling of 86560009 in words is "eighty-six million, five hundred sixty thousand, nine".