8394228323939 has 4 divisors (see below), whose sum is σ = 8572828926624. Its totient is φ = 8215627721256.

The previous prime is 8394228323933. The next prime is 8394228323959. The reversal of 8394228323939 is 9393238224938.

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 8394228323939 - 2⁸ = 8394228323683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8394228323933) 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, 89300301272 + ... + 89300301365.

It is an arithmetic number, because the mean of its divisors is an integer number (2143207231656).

Almost surely, 2^{8394228323939} is an apocalyptic number.

8394228323939 is a deficient number, since it is larger than the sum of its proper divisors (178600602685).

8394228323939 is a wasteful number, since it uses less digits than its factorization.

8394228323939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178600602684.

The product of its digits is 120932352, while the sum is 65.

Subtracting 8394228323939 from its reverse (9393238224938), we obtain a palindrome (999009900999).

The spelling of 8394228323939 in words is "eight trillion, three hundred ninety-four billion, two hundred twenty-eight million, three hundred twenty-three thousand, nine hundred thirty-nine".