86586437213 has 8 divisors (see below), whose sum is σ = 87565154040. Its totient is φ = 85607850240.

The previous prime is 86586437209. The next prime is 86586437219. The reversal of 86586437213 is 31273468568.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8082649 + 86578354564 = 2843^2 + 294242^2 .

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 86586437213 - 2² = 86586437209 is a prime.

It is a super-2 number, since 2×86586437213² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86586437219) 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, 2078081 + ... + 2119337.

It is an arithmetic number, because the mean of its divisors is an integer number (10945644255).

Almost surely, 2^86586437213 is an apocalyptic number.

It is an amenable number.

86586437213 is a deficient number, since it is larger than the sum of its proper divisors (978716827).

86586437213 is a wasteful number, since it uses less digits than its factorization.

86586437213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64927.

The product of its digits is 5806080, while the sum is 53.

The spelling of 86586437213 in words is "eighty-six billion, five hundred eighty-six million, four hundred thirty-seven thousand, two hundred thirteen".