6800789 has 4 divisors (see below), whose sum is σ = 6817440. Its totient is φ = 6784140.

The previous prime is 6800777. The next prime is 6800791. The reversal of 6800789 is 9870086.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9870086 = 2 ⋅4935043.

It is a cyclic number.

It is not a de Polignac number, because 6800789 - 2⁸ = 6800533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6800719) 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, 7697 + ... + 8534.

It is an arithmetic number, because the mean of its divisors is an integer number (1704360).

Almost surely, 2^6800789 is an apocalyptic number.

It is an amenable number.

6800789 is a deficient number, since it is larger than the sum of its proper divisors (16651).

6800789 is a wasteful number, since it uses less digits than its factorization.

6800789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16650.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 6800789 is about 2607.8322415370. The cubic root of 6800789 is about 189.4609745522.

The spelling of 6800789 in words is "six million, eight hundred thousand, seven hundred eighty-nine".