7990711 has 2 divisors, whose sum is σ = 7990712. Its totient is φ = 7990710.

The previous prime is 7990709. The next prime is 7990751. The reversal of 7990711 is 1170997.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7990711 - 2¹ = 7990709 is a prime.

Together with 7990709, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7990751) 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, 3995355 + 3995356.

It is an arithmetic number, because the mean of its divisors is an integer number (3995356).

Almost surely, 2^7990711 is an apocalyptic number.

7990711 is a deficient number, since it is larger than the sum of its proper divisors (1).

7990711 is an equidigital number, since it uses as much as digits as its factorization.

7990711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3969, while the sum is 34.

The square root of 7990711 is about 2826.7845690820. The cubic root of 7990711 is about 199.9225616871.

The spelling of 7990711 in words is "seven million, nine hundred ninety thousand, seven hundred eleven".