6778883 has 4 divisors (see below), whose sum is σ = 6790800. Its totient is φ = 6766968.

The previous prime is 6778861. The next prime is 6778921. The reversal of 6778883 is 3888776.

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

It is a cyclic number.

It is not a de Polignac number, because 6778883 - 2¹⁸ = 6516739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6778823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5060 + ... + 6257.

It is an arithmetic number, because the mean of its divisors is an integer number (1697700).

Almost surely, 2^6778883 is an apocalyptic number.

6778883 is a deficient number, since it is larger than the sum of its proper divisors (11917).

6778883 is a wasteful number, since it uses less digits than its factorization.

6778883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11916.

The product of its digits is 451584, while the sum is 47.

The square root of 6778883 is about 2603.6288137905. The cubic root of 6778883 is about 189.2573316951.

The spelling of 6778883 in words is "six million, seven hundred seventy-eight thousand, eight hundred eighty-three".