8323439939 has 6 divisors (see below), whose sum is σ = 8701063476. Its totient is φ = 7961550740.

The previous prime is 8323439909. The next prime is 8323439941. The reversal of 8323439939 is 9399343238.

It is not a de Polignac number, because 8323439939 - 2¹² = 8323435843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8323439909) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 7866617 + ... + 7867674.

It is an arithmetic number, because the mean of its divisors is an integer number (1450177246).

Almost surely, 2^8323439939 is an apocalyptic number.

8323439939 is a deficient number, since it is larger than the sum of its proper divisors (377623537).

8323439939 is a wasteful number, since it uses less digits than its factorization.

8323439939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15734337 (or 15734314 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 53.

The square root of 8323439939 is about 91232.8884723048. Note that the first 3 decimals coincide. The cubic root of 8323439939 is about 2026.5980325067.

The spelling of 8323439939 in words is "eight billion, three hundred twenty-three million, four hundred thirty-nine thousand, nine hundred thirty-nine".