86560591 has 8 divisors (see below), whose sum is σ = 95387600. Its totient is φ = 78043392.

The previous prime is 86560577. The next prime is 86560619. The reversal of 86560591 is 19506568.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86560591 - 2⁵ = 86560559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86560531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76866 + ... + 77983.

It is an arithmetic number, because the mean of its divisors is an integer number (11923450).

Almost surely, 2^86560591 is an apocalyptic number.

86560591 is a deficient number, since it is larger than the sum of its proper divisors (8827009).

86560591 is a wasteful number, since it uses less digits than its factorization.

86560591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154905.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 86560591 is about 9303.7944409794. The cubic root of 86560591 is about 442.3575095278.

The spelling of 86560591 in words is "eighty-six million, five hundred sixty thousand, five hundred ninety-one".