86236013 has 4 divisors (see below), whose sum is σ = 86355360. Its totient is φ = 86116668.

The previous prime is 86236001. The next prime is 86236021. The reversal of 86236013 is 31063268.

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 86236013 - 2¹⁸ = 85973869 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 (86236313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58583 + ... + 60036.

It is an arithmetic number, because the mean of its divisors is an integer number (21588840).

Almost surely, 2^86236013 is an apocalyptic number.

It is an amenable number.

86236013 is a deficient number, since it is larger than the sum of its proper divisors (119347).

86236013 is a wasteful number, since it uses less digits than its factorization.

86236013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119346.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 86236013 is about 9286.3347452049. The cubic root of 86236013 is about 441.8039113686.

The spelling of 86236013 in words is "eighty-six million, two hundred thirty-six thousand, thirteen".