6779951 has 2 divisors, whose sum is σ = 6779952. Its totient is φ = 6779950.

The previous prime is 6779921. The next prime is 6779953. The reversal of 6779951 is 1599776.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6779951 - 2¹⁰ = 6778927 is a prime.

Together with 6779953, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6779953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3389975 + 3389976.

It is an arithmetic number, because the mean of its divisors is an integer number (3389976).

Almost surely, 2^6779951 is an apocalyptic number.

6779951 is a deficient number, since it is larger than the sum of its proper divisors (1).

6779951 is an equidigital number, since it uses as much as digits as its factorization.

6779951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 119070, while the sum is 44.

The square root of 6779951 is about 2603.8339040730. The cubic root of 6779951 is about 189.2672702163.

The spelling of 6779951 in words is "six million, seven hundred seventy-nine thousand, nine hundred fifty-one".