6880889 has 4 divisors (see below), whose sum is σ = 6951924. Its totient is φ = 6809856.

The previous prime is 6880879. The next prime is 6880891. The reversal of 6880889 is 9880886.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9880886 = 2 ⋅4940443.

It can be written as a sum of positive squares in 2 ways, for example, as 2301289 + 4579600 = 1517^2 + 2140^2 .

It is a cyclic number.

It is not a de Polignac number, because 6880889 - 2⁴ = 6880873 is a prime.

6880889 is a strobogrammatic number because it is the same when read upside-down.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6880879) 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, 35372 + ... + 35565.

It is an arithmetic number, because the mean of its divisors is an integer number (1737981).

Almost surely, 2^6880889 is an apocalyptic number.

It is an amenable number.

6880889 is a deficient number, since it is larger than the sum of its proper divisors (71035).

6880889 is an equidigital number, since it uses as much as digits as its factorization.

6880889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71034.

The product of its (nonzero) digits is 221184, while the sum is 47.

The square root of 6880889 is about 2623.1448682831. The cubic root of 6880889 is about 190.2018998757.

The spelling of 6880889 in words is "six million, eight hundred eighty thousand, eight hundred eighty-nine".