6776869 has 4 divisors (see below), whose sum is σ = 7392960. Its totient is φ = 6160780.

The previous prime is 6776813. The next prime is 6776873. The reversal of 6776869 is 9686776.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6776869 - 2⁷ = 6776741 is a prime.

It is a super-2 number, since 2×6776869² = 91851906886322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6776269) 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 in 3 ways as a sum of consecutive naturals, for example, 308029 + ... + 308050.

It is an arithmetic number, because the mean of its divisors is an integer number (1848240).

Almost surely, 2^6776869 is an apocalyptic number.

It is an amenable number.

6776869 is a deficient number, since it is larger than the sum of its proper divisors (616091).

6776869 is a wasteful number, since it uses less digits than its factorization.

6776869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616090.

The product of its digits is 762048, while the sum is 49.

The square root of 6776869 is about 2603.2420171778. The cubic root of 6776869 is about 189.2385871114.

The spelling of 6776869 in words is "six million, seven hundred seventy-six thousand, eight hundred sixty-nine".