7966979 has 2 divisors, whose sum is σ = 7966980. Its totient is φ = 7966978.

The previous prime is 7966949. The next prime is 7967009. The reversal of 7966979 is 9796697.

It is a balanced prime because it is at equal distance from previous prime (7966949) and next prime (7967009).

It is a cyclic number.

It is not a de Polignac number, because 7966979 - 2⁸ = 7966723 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7966979.

It is not a weakly prime, because it can be changed into another prime (7966939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3983489 + 3983490.

It is an arithmetic number, because the mean of its divisors is an integer number (3983490).

Almost surely, 2^7966979 is an apocalyptic number.

7966979 is a deficient number, since it is larger than the sum of its proper divisors (1).

7966979 is an equidigital number, since it uses as much as digits as its factorization.

7966979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1285956, while the sum is 53.

The square root of 7966979 is about 2822.5837454361. The cubic root of 7966979 is about 199.7244455230.

The spelling of 7966979 in words is "seven million, nine hundred sixty-six thousand, nine hundred seventy-nine".