8097399839 has 2 divisors, whose sum is σ = 8097399840. Its totient is φ = 8097399838.

The previous prime is 8097399823. The next prime is 8097399851. The reversal of 8097399839 is 9389937908.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8097399839 - 2⁴ = 8097399823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8097399239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4048699919 + 4048699920.

It is an arithmetic number, because the mean of its divisors is an integer number (4048699920).

Almost surely, 2^8097399839 is an apocalyptic number.

8097399839 is a deficient number, since it is larger than the sum of its proper divisors (1).

8097399839 is an equidigital number, since it uses as much as digits as its factorization.

8097399839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26453952, while the sum is 65.

The square root of 8097399839 is about 89985.5535016594. The cubic root of 8097399839 is about 2008.0839342299.

The spelling of 8097399839 in words is "eight billion, ninety-seven million, three hundred ninety-nine thousand, eight hundred thirty-nine".