7968791 has 2 divisors, whose sum is σ = 7968792. Its totient is φ = 7968790.

The previous prime is 7968773. The next prime is 7968811. The reversal of 7968791 is 1978697.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7968791 - 2¹⁴ = 7952407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7968761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3984395 + 3984396.

It is an arithmetic number, because the mean of its divisors is an integer number (3984396).

Almost surely, 2^7968791 is an apocalyptic number.

7968791 is a deficient number, since it is larger than the sum of its proper divisors (1).

7968791 is an equidigital number, since it uses as much as digits as its factorization.

7968791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 47.

The square root of 7968791 is about 2822.9047096918. The cubic root of 7968791 is about 199.7395860701.

The spelling of 7968791 in words is "seven million, nine hundred sixty-eight thousand, seven hundred ninety-one".