6776655 has 16 divisors (see below), whose sum is σ = 10881024. Its totient is φ = 3601440.

The previous prime is 6776641. The next prime is 6776677. The reversal of 6776655 is 5566776.

6776655 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6776655 - 2¹⁵ = 6743887 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4890 + ... + 6120.

It is an arithmetic number, because the mean of its divisors is an integer number (680064).

Almost surely, 2^6776655 is an apocalyptic number.

6776655 is a deficient number, since it is larger than the sum of its proper divisors (4104369).

6776655 is a wasteful number, since it uses less digits than its factorization.

6776655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606.

The product of its digits is 264600, while the sum is 42.

The square root of 6776655 is about 2603.2009142592. The cubic root of 6776655 is about 189.2365951648.

The spelling of 6776655 in words is "six million, seven hundred seventy-six thousand, six hundred fifty-five".