6776855 has 4 divisors (see below), whose sum is σ = 8132232. Its totient is φ = 5421480.

The previous prime is 6776813. The next prime is 6776873. The reversal of 6776855 is 5586776.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6776855 - 2⁸ = 6776599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677681 + ... + 677690.

It is an arithmetic number, because the mean of its divisors is an integer number (2033058).

Almost surely, 2^6776855 is an apocalyptic number.

6776855 is a deficient number, since it is larger than the sum of its proper divisors (1355377).

6776855 is a wasteful number, since it uses less digits than its factorization.

6776855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355376.

The product of its digits is 352800, while the sum is 44.

The square root of 6776855 is about 2603.2393282217. The cubic root of 6776855 is about 189.2384567984.

The spelling of 6776855 in words is "six million, seven hundred seventy-six thousand, eight hundred fifty-five".