6779788 has 12 divisors (see below), whose sum is σ = 11905432. Its totient is φ = 3378240.

The previous prime is 6779783. The next prime is 6779791. The reversal of 6779788 is 8879776.

It is a happy number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6779783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1533 + ... + 3988.

Almost surely, 2^6779788 is an apocalyptic number.

It is an amenable number.

6779788 is a deficient number, since it is larger than the sum of its proper divisors (5125644).

6779788 is a wasteful number, since it uses less digits than its factorization.

6779788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5832 (or 5830 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 52.

The square root of 6779788 is about 2603.8026038853. The cubic root of 6779788 is about 189.2657534496.

The spelling of 6779788 in words is "six million, seven hundred seventy-nine thousand, seven hundred eighty-eight".