6778541 has 24 divisors (see below), whose sum is σ = 8733312. Its totient is φ = 5148000.

The previous prime is 6778517. The next prime is 6778543. The reversal of 6778541 is 1458776.

It is not a de Polignac number, because 6778541 - 2¹⁰ = 6777517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6778495 and 6778504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6778543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44816 + ... + 44966.

It is an arithmetic number, because the mean of its divisors is an integer number (363888).

Almost surely, 2^6778541 is an apocalyptic number.

It is an amenable number.

6778541 is a deficient number, since it is larger than the sum of its proper divisors (1954771).

6778541 is a wasteful number, since it uses less digits than its factorization.

6778541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 222 counting only the distinct ones).

The product of its digits is 47040, while the sum is 38.

The square root of 6778541 is about 2603.5631353973. The cubic root of 6778541 is about 189.2541489143.

The spelling of 6778541 in words is "six million, seven hundred seventy-eight thousand, five hundred forty-one".