86336631 has 16 divisors (see below), whose sum is σ = 128108800. Its totient is φ = 57466584.

The previous prime is 86336623. The next prime is 86336711. The reversal of 86336631 is 13663368.

It is not a de Polignac number, because 86336631 - 2³ = 86336623 is a prime.

It is a super-3 number, since 3×86336631³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86336231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17790 + ... + 22116.

It is an arithmetic number, because the mean of its divisors is an integer number (8006800).

Almost surely, 2^86336631 is an apocalyptic number.

86336631 is a deficient number, since it is larger than the sum of its proper divisors (41772169).

86336631 is a wasteful number, since it uses less digits than its factorization.

86336631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5075 (or 5069 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 86336631 is about 9291.7506961821. The cubic root of 86336631 is about 441.9756731286.

Adding to 86336631 its reverse (13663368), we get a palindrome (99999999).

The spelling of 86336631 in words is "eighty-six million, three hundred thirty-six thousand, six hundred thirty-one".