7697998039 has 2 divisors, whose sum is σ = 7697998040. Its totient is φ = 7697998038.

The previous prime is 7697997943. The next prime is 7697998043. The reversal of 7697998039 is 9308997967.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7697998039 - 2⁷ = 7697997911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7697998069) 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 as a sum of consecutive naturals, namely, 3848999019 + 3848999020.

It is an arithmetic number, because the mean of its divisors is an integer number (3848999020).

Almost surely, 2^7697998039 is an apocalyptic number.

7697998039 is a deficient number, since it is larger than the sum of its proper divisors (1).

7697998039 is an equidigital number, since it uses as much as digits as its factorization.

7697998039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46294416, while the sum is 67.

The square root of 7697998039 is about 87738.2359008887. The cubic root of 7697998039 is about 1974.5096717080.

The spelling of 7697998039 in words is "seven billion, six hundred ninety-seven million, nine hundred ninety-eight thousand, thirty-nine".