6871756655 has 8 divisors (see below), whose sum is σ = 8362250784. Its totient is φ = 5419976800.

The previous prime is 6871756631. The next prime is 6871756679. The reversal of 6871756655 is 5566571786.

It is an interprime number because it is at equal distance from previous prime (6871756631) and next prime (6871756679).

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

It is not a de Polignac number, because 6871756655 - 2²⁶ = 6804647791 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6871756655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9678176 + ... + 9678885.

It is an arithmetic number, because the mean of its divisors is an integer number (1045281348).

Almost surely, 2^6871756655 is an apocalyptic number.

6871756655 is a deficient number, since it is larger than the sum of its proper divisors (1490494129).

6871756655 is a wasteful number, since it uses less digits than its factorization.

6871756655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19357137.

The product of its digits is 10584000, while the sum is 56.

The square root of 6871756655 is about 82896.0593454237. The cubic root of 6871756655 is about 1901.1771703331.

The spelling of 6871756655 in words is "six billion, eight hundred seventy-one million, seven hundred fifty-six thousand, six hundred fifty-five".