86322331 has 4 divisors (see below), whose sum is σ = 87610792. Its totient is φ = 85033872.

The previous prime is 86322323. The next prime is 86322347. The reversal of 86322331 is 13322368.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86322331 - 2³ = 86322323 is a prime.

It is a super-2 number, since 2×86322331² = 14903089658547122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86322331.

It is not an unprimeable number, because it can be changed into a prime (86322361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644130 + ... + 644263.

It is an arithmetic number, because the mean of its divisors is an integer number (21902698).

Almost surely, 2^86322331 is an apocalyptic number.

86322331 is a deficient number, since it is larger than the sum of its proper divisors (1288461).

86322331 is a wasteful number, since it uses less digits than its factorization.

86322331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288460.

The product of its digits is 5184, while the sum is 28.

The square root of 86322331 is about 9290.9811645488. The cubic root of 86322331 is about 441.9512701955.

Adding to 86322331 its reverse (13322368), we get a palindrome (99644699).

The spelling of 86322331 in words is "eighty-six million, three hundred twenty-two thousand, three hundred thirty-one".