6979279 has 2 divisors, whose sum is σ = 6979280. Its totient is φ = 6979278.

The previous prime is 6979277. The next prime is 6979303. The reversal of 6979279 is 9729796.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6979279 - 2¹ = 6979277 is a prime.

Together with 6979277, 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 (6979277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3489639 + 3489640.

It is an arithmetic number, because the mean of its divisors is an integer number (3489640).

Almost surely, 2^6979279 is an apocalyptic number.

6979279 is a deficient number, since it is larger than the sum of its proper divisors (1).

6979279 is an equidigital number, since it uses as much as digits as its factorization.

6979279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 428652, while the sum is 49.

The square root of 6979279 is about 2641.8325079384. The cubic root of 6979279 is about 191.1041800738.

The spelling of 6979279 in words is "six million, nine hundred seventy-nine thousand, two hundred seventy-nine".