6871756673 has 4 divisors (see below), whose sum is σ = 6882894660. Its totient is φ = 6860618688.

The previous prime is 6871756631. The next prime is 6871756679. The reversal of 6871756673 is 3766571786.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3766571786 = 2 ⋅1883285893.

It can be written as a sum of positive squares in 2 ways, for example, as 96491329 + 6775265344 = 9823^2 + 82312^2 .

It is a cyclic number.

It is not a de Polignac number, because 6871756673 - 2⁸ = 6871756417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6871756679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5568068 + ... + 5569301.

It is an arithmetic number, because the mean of its divisors is an integer number (1720723665).

Almost surely, 2^6871756673 is an apocalyptic number.

It is an amenable number.

6871756673 is a deficient number, since it is larger than the sum of its proper divisors (11137987).

6871756673 is a wasteful number, since it uses less digits than its factorization.

6871756673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11137986.

The product of its digits is 8890560, while the sum is 56.

The square root of 6871756673 is about 82896.0594539933. The cubic root of 6871756673 is about 1901.1771719931.

The spelling of 6871756673 in words is "six billion, eight hundred seventy-one million, seven hundred fifty-six thousand, six hundred seventy-three".