86323864 has 32 divisors (see below), whose sum is σ = 178154640. Its totient is φ = 38886400.

The previous prime is 86323847. The next prime is 86323873. The reversal of 86323864 is 46832368.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5604 + ... + 14284.

Almost surely, 2^86323864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86323864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89077320).

86323864 is an abundant number, since it is smaller than the sum of its proper divisors (91830776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86323864 is a wasteful number, since it uses less digits than its factorization.

86323864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8811 (or 8807 counting only the distinct ones).

The product of its digits is 165888, while the sum is 40.

The square root of 86323864 is about 9291.0636635425. The cubic root of 86323864 is about 441.9538863871.

The spelling of 86323864 in words is "eighty-six million, three hundred twenty-three thousand, eight hundred sixty-four".