6881771 has 8 divisors (see below), whose sum is σ = 7522704. Its totient is φ = 6256800.

The previous prime is 6881759. The next prime is 6881773. The reversal of 6881771 is 1771886.

6881771 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 a cyclic number.

It is not a de Polignac number, because 6881771 - 2²² = 2687467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6881773) by changing a digit.

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, 3080 + ... + 4821.

It is an arithmetic number, because the mean of its divisors is an integer number (940338).

Almost surely, 2^6881771 is an apocalyptic number.

6881771 is a deficient number, since it is larger than the sum of its proper divisors (640933).

6881771 is a wasteful number, since it uses less digits than its factorization.

6881771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7981.

The product of its digits is 18816, while the sum is 38.

The square root of 6881771 is about 2623.3129817084. The cubic root of 6881771 is about 190.2100262922.

The spelling of 6881771 in words is "six million, eight hundred eighty-one thousand, seven hundred seventy-one".