320068085 has 4 divisors (see below), whose sum is σ = 384081708. Its totient is φ = 256054464.

The previous prime is 320068079. The next prime is 320068103. The reversal of 320068085 is 580860023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 580860023 = 2153 ⋅269791.

It can be written as a sum of positive squares in 2 ways, for example, as 238671601 + 81396484 = 15449^2 + 9022^2 .

It is a cyclic number.

It is not a de Polignac number, because 320068085 - 2⁸ = 320067829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32006804 + ... + 32006813.

It is an arithmetic number, because the mean of its divisors is an integer number (96020427).

Almost surely, 2^320068085 is an apocalyptic number.

It is an amenable number.

320068085 is a deficient number, since it is larger than the sum of its proper divisors (64013623).

320068085 is an equidigital number, since it uses as much as digits as its factorization.

320068085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64013622.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 320068085 is about 17890.4467523872. The cubic root of 320068085 is about 684.0388851108.

The spelling of 320068085 in words is "three hundred twenty million, sixty-eight thousand, eighty-five".