6871880 has 32 divisors (see below), whose sum is σ = 15579000. Its totient is φ = 2727936.

The previous prime is 6871849. The next prime is 6871897. The reversal of 6871880 is 881786.

It can be written as a sum of positive squares in 4 ways, for example, as 5134756 + 1737124 = 2266^2 + 1318^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5384 + ... + 6536.

Almost surely, 2^6871880 is an apocalyptic number.

It is an amenable number.

6871880 is an abundant number, since it is smaller than the sum of its proper divisors (8707120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6871880 is a wasteful number, since it uses less digits than its factorization.

6871880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313 (or 1309 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 6871880 is about 2621.4270922534. The cubic root of 6871880 is about 190.1188545362.

The spelling of 6871880 in words is "six million, eight hundred seventy-one thousand, eight hundred eighty".