6780868 has 12 divisors (see below), whose sum is σ = 11938752. Its totient is φ = 3369800.

The previous prime is 6780863. The next prime is 6780871. The reversal of 6780868 is 8680876.

It is a happy number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6780863) 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, 4408 + ... + 5743.

It is an arithmetic number, because the mean of its divisors is an integer number (994896).

Almost surely, 2^6780868 is an apocalyptic number.

It is an amenable number.

6780868 is a deficient number, since it is larger than the sum of its proper divisors (5157884).

6780868 is a wasteful number, since it uses less digits than its factorization.

6780868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10322 (or 10320 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 6780868 is about 2604.0099846199. The cubic root of 6780868 is about 189.2758027392.

It can be divided in two parts, 67808 and 68, that added together give a palindrome (67876).

The spelling of 6780868 in words is "six million, seven hundred eighty thousand, eight hundred sixty-eight".