6778441 has 4 divisors (see below), whose sum is σ = 6873984. Its totient is φ = 6682900.

The previous prime is 6778439. The next prime is 6778463. The reversal of 6778441 is 1448776.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6778441 - 2¹ = 6778439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6778441.

It is not an unprimeable number, because it can be changed into a prime (6778241) 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, 47665 + ... + 47806.

It is an arithmetic number, because the mean of its divisors is an integer number (1718496).

Almost surely, 2^6778441 is an apocalyptic number.

It is an amenable number.

6778441 is a deficient number, since it is larger than the sum of its proper divisors (95543).

6778441 is an equidigital number, since it uses as much as digits as its factorization.

6778441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95542.

The product of its digits is 37632, while the sum is 37.

The square root of 6778441 is about 2603.5439308758. The cubic root of 6778441 is about 189.2532182564.

The spelling of 6778441 in words is "six million, seven hundred seventy-eight thousand, four hundred forty-one".