6779776 has 16 divisors (see below), whose sum is σ = 13506840. Its totient is φ = 3389824.

The previous prime is 6779771. The next prime is 6779777.

6779776 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×6779776² = 91930725220352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6779771) 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, 26356 + ... + 26611.

Almost surely, 2^6779776 is an apocalyptic number.

It is an amenable number.

6779776 is a deficient number, since it is larger than the sum of its proper divisors (6727064).

6779776 is an equidigital number, since it uses as much as digits as its factorization.

6779776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52981 (or 52969 counting only the distinct ones).

The product of its digits is 777924, while the sum is 49.

The square root of 6779776 is about 2603.8002995622. The cubic root of 6779776 is about 189.2656417848.

The spelling of 6779776 in words is "six million, seven hundred seventy-nine thousand, seven hundred seventy-six".