86113585221 has 64 divisors (see below), whose sum is σ = 129054689280. Its totient is φ = 50756751360.

The previous prime is 86113585171. The next prime is 86113585241. The reversal of 86113585221 is 12258531168.

It is not a de Polignac number, because 86113585221 - 2⁹ = 86113584709 is a prime.

It is a super-2 number, since 2×86113585221² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86113585241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 66088056 + ... + 66089358.

It is an arithmetic number, because the mean of its divisors is an integer number (2016479520).

Almost surely, 2^86113585221 is an apocalyptic number.

It is an amenable number.

86113585221 is a deficient number, since it is larger than the sum of its proper divisors (42941104059).

86113585221 is a wasteful number, since it uses less digits than its factorization.

86113585221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866.

The product of its digits is 115200, while the sum is 42.

The spelling of 86113585221 in words is "eighty-six billion, one hundred thirteen million, five hundred eighty-five thousand, two hundred twenty-one".