6979697 has 2 divisors, whose sum is σ = 6979698. Its totient is φ = 6979696.

The previous prime is 6979667. The next prime is 6979699. The reversal of 6979697 is 7969796.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6964321 + 15376 = 2639^2 + 124^2 .

It is a cyclic number.

It is not a de Polignac number, because 6979697 - 2¹⁶ = 6914161 is a prime.

Together with 6979699, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6979699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3489848 + 3489849.

It is an arithmetic number, because the mean of its divisors is an integer number (3489849).

Almost surely, 2^6979697 is an apocalyptic number.

It is an amenable number.

6979697 is a deficient number, since it is larger than the sum of its proper divisors (1).

6979697 is an equidigital number, since it uses as much as digits as its factorization.

6979697 is an odious number, because the sum of its binary digits is odd.

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

The square root of 6979697 is about 2641.9116185066. The cubic root of 6979697 is about 191.1079951743.

Subtracting 6979697 from its reverse (7969796), we obtain a palindrome (990099).

The spelling of 6979697 in words is "six million, nine hundred seventy-nine thousand, six hundred ninety-seven".