6780867 has 16 divisors (see below), whose sum is σ = 9586080. Its totient is φ = 4256000.

The previous prime is 6780863. The next prime is 6780871. The reversal of 6780867 is 7680876.

It is an interprime number because it is at equal distance from previous prime (6780863) and next prime (6780871).

It is a cyclic number.

It is not a de Polignac number, because 6780867 - 2² = 6780863 is a prime.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 2617 + ... + 4517.

It is an arithmetic number, because the mean of its divisors is an integer number (599130).

Almost surely, 2^6780867 is an apocalyptic number.

6780867 is a deficient number, since it is larger than the sum of its proper divisors (2805213).

6780867 is a wasteful number, since it uses less digits than its factorization.

6780867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 6780867 is about 2604.0097926083. The cubic root of 6780867 is about 189.2757934348.

Subtracting 6780867 from its reverse (7680876), we obtain a palindrome (900009).

The spelling of 6780867 in words is "six million, seven hundred eighty thousand, eight hundred sixty-seven".