6887511873 has 12 divisors (see below), whose sum is σ = 10853049168. Its totient is φ = 4174249560.

The previous prime is 6887511823. The next prime is 6887511877. The reversal of 6887511873 is 3781157886.

It is a happy number.

It is not a de Polignac number, because 6887511873 - 2¹² = 6887507777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6887511877) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34785315 + ... + 34785512.

It is an arithmetic number, because the mean of its divisors is an integer number (904420764).

Almost surely, 2^6887511873 is an apocalyptic number.

It is an amenable number.

6887511873 is a deficient number, since it is larger than the sum of its proper divisors (3965537295).

6887511873 is a wasteful number, since it uses less digits than its factorization.

6887511873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69570844 (or 69570841 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 54.

The square root of 6887511873 is about 82991.0348953428. The cubic root of 6887511873 is about 1902.6290357713.

The spelling of 6887511873 in words is "six billion, eight hundred eighty-seven million, five hundred eleven thousand, eight hundred seventy-three".