6880809 has 8 divisors (see below), whose sum is σ = 9880192. Its totient is φ = 4234320.

The previous prime is 6880807. The next prime is 6880837. The reversal of 6880809 is 9080886.

6880809 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6880809 - 2¹ = 6880807 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 176431 = 6880809 / (6 + 8 + 8 + 0 + 8 + 0 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6880807) 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 7 ways as a sum of consecutive naturals, for example, 88177 + ... + 88254.

It is an arithmetic number, because the mean of its divisors is an integer number (1235024).

Almost surely, 2^6880809 is an apocalyptic number.

It is an amenable number.

6880809 is a deficient number, since it is larger than the sum of its proper divisors (2999383).

6880809 is a wasteful number, since it uses less digits than its factorization.

6880809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176447.

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 6880809 is about 2623.1296193669. The cubic root of 6880809 is about 190.2011627514.

The spelling of 6880809 in words is "six million, eight hundred eighty thousand, eight hundred nine".