6776857 has 8 divisors (see below), whose sum is σ = 6934400. Its totient is φ = 6621264.

The previous prime is 6776813. The next prime is 6776873. The reversal of 6776857 is 7586776.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6776857 - 2¹¹ = 6774809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6776257) 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 7 ways as a sum of consecutive naturals, for example, 8218 + ... + 9004.

It is an arithmetic number, because the mean of its divisors is an integer number (866800).

Almost surely, 2^6776857 is an apocalyptic number.

It is an amenable number.

6776857 is a deficient number, since it is larger than the sum of its proper divisors (157543).

6776857 is a wasteful number, since it uses less digits than its factorization.

6776857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975.

The product of its digits is 493920, while the sum is 46.

The square root of 6776857 is about 2603.2397123584. The cubic root of 6776857 is about 189.2384754146.

The spelling of 6776857 in words is "six million, seven hundred seventy-six thousand, eight hundred fifty-seven".