7997711 has 2 divisors, whose sum is σ = 7997712. Its totient is φ = 7997710.

The previous prime is 7997683. The next prime is 7997713. The reversal of 7997711 is 1177997.

7997711 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (1177997) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7997711 - 2¹⁰ = 7996687 is a prime.

Together with 7997713, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7997713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3998855 + 3998856.

It is an arithmetic number, because the mean of its divisors is an integer number (3998856).

Almost surely, 2^7997711 is an apocalyptic number.

7997711 is a deficient number, since it is larger than the sum of its proper divisors (1).

7997711 is an equidigital number, since it uses as much as digits as its factorization.

7997711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27783, while the sum is 41.

The square root of 7997711 is about 2828.0224539420. The cubic root of 7997711 is about 199.9809231804.

The spelling of 7997711 in words is "seven million, nine hundred ninety-seven thousand, seven hundred eleven".