86633321 has 2 divisors, whose sum is σ = 86633322. Its totient is φ = 86633320.

The previous prime is 86633303. The next prime is 86633363. The reversal of 86633321 is 12333668.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72675625 + 13957696 = 8525^2 + 3736^2 .

It is a cyclic number.

It is not a de Polignac number, because 86633321 - 2¹⁰ = 86632297 is a prime.

It is a nialpdrome in base 10.

It is not a weakly prime, because it can be changed into another prime (86633221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43316660 + 43316661.

It is an arithmetic number, because the mean of its divisors is an integer number (43316661).

Almost surely, 2^86633321 is an apocalyptic number.

It is an amenable number.

86633321 is a deficient number, since it is larger than the sum of its proper divisors (1).

86633321 is an equidigital number, since it uses as much as digits as its factorization.

86633321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 32.

The square root of 86633321 is about 9307.7022406177. The cubic root of 86633321 is about 442.4813674898.

Adding to 86633321 its reverse (12333668), we get a palindrome (98966989).

The spelling of 86633321 in words is "eighty-six million, six hundred thirty-three thousand, three hundred twenty-one".