6977797 has 2 divisors, whose sum is σ = 6977798. Its totient is φ = 6977796.

The previous prime is 6977767. The next prime is 6977813. The reversal of 6977797 is 7977796.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6974881 + 2916 = 2641^2 + 54^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6977797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6977767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3488898 + 3488899.

It is an arithmetic number, because the mean of its divisors is an integer number (3488899).

Almost surely, 2^6977797 is an apocalyptic number.

It is an amenable number.

6977797 is a deficient number, since it is larger than the sum of its proper divisors (1).

6977797 is an equidigital number, since it uses as much as digits as its factorization.

6977797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1166886, while the sum is 52.

The square root of 6977797 is about 2641.5520059238. The cubic root of 6977797 is about 191.0906525808.

Subtracting 6977797 from its reverse (7977796), we obtain a palindrome (999999).

The spelling of 6977797 in words is "six million, nine hundred seventy-seven thousand, seven hundred ninety-seven".