86318329 has 4 divisors (see below), whose sum is σ = 88325776. Its totient is φ = 84310884.

The previous prime is 86318303. The next prime is 86318347. The reversal of 86318329 is 92381368.

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 86318329 - 2²¹ = 84221177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86318291 and 86318300.

It is not an unprimeable number, because it can be changed into a prime (86318359) 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, 1003659 + ... + 1003744.

It is an arithmetic number, because the mean of its divisors is an integer number (22081444).

Almost surely, 2^86318329 is an apocalyptic number.

It is an amenable number.

86318329 is a deficient number, since it is larger than the sum of its proper divisors (2007447).

86318329 is a wasteful number, since it uses less digits than its factorization.

86318329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007446.

The product of its digits is 62208, while the sum is 40.

The square root of 86318329 is about 9290.7657919033. The cubic root of 86318329 is about 441.9444403045.

The spelling of 86318329 in words is "eighty-six million, three hundred eighteen thousand, three hundred twenty-nine".