6871755487 has 8 divisors (see below), whose sum is σ = 7282652976. Its totient is φ = 6461599872.

The previous prime is 6871755437. The next prime is 6871755493. The reversal of 6871755487 is 7845571786.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6871755487 is a prime.

It is a super-2 number, since 2×6871755487² = 94442046946229214338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6871755427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166333 + ... + 203494.

It is an arithmetic number, because the mean of its divisors is an integer number (910331622).

Almost surely, 2^6871755487 is an apocalyptic number.

6871755487 is a deficient number, since it is larger than the sum of its proper divisors (410897489).

6871755487 is a wasteful number, since it uses less digits than its factorization.

6871755487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370937.

The product of its digits is 13171200, while the sum is 58.

The square root of 6871755487 is about 82896.0523004564. The cubic root of 6871755487 is about 1901.1770626181.

The spelling of 6871755487 in words is "six billion, eight hundred seventy-one million, seven hundred fifty-five thousand, four hundred eighty-seven".