8320338605 has 4 divisors (see below), whose sum is σ = 9984406332. Its totient is φ = 6656270880.

The previous prime is 8320338541. The next prime is 8320338617. The reversal of 8320338605 is 5068330238.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5068330238 = 2 ⋅2534165119.

It can be written as a sum of positive squares in 2 ways, for example, as 2455995364 + 5864343241 = 49558^2 + 76579^2 .

It is not a de Polignac number, because 8320338605 - 2⁶ = 8320338541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 832033856 + ... + 832033865.

It is an arithmetic number, because the mean of its divisors is an integer number (2496101583).

Almost surely, 2^8320338605 is an apocalyptic number.

It is an amenable number.

8320338605 is a deficient number, since it is larger than the sum of its proper divisors (1664067727).

8320338605 is a wasteful number, since it uses less digits than its factorization.

8320338605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664067726.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 8320338605 is about 91215.8900904881. The cubic root of 8320338605 is about 2026.3462961168.

The spelling of 8320338605 in words is "eight billion, three hundred twenty million, three hundred thirty-eight thousand, six hundred five".