6887631318875 has 8 divisors (see below), whose sum is σ = 8595763886112. Its totient is φ = 5510105055000.

The previous prime is 6887631318851. The next prime is 6887631318907. The reversal of 6887631318875 is 5788131367886.

It is not a de Polignac number, because 6887631318875 - 2⁸ = 6887631318619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6887631318799 and 6887631318808.

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, 27550525151 + ... + 27550525400.

It is an arithmetic number, because the mean of its divisors is an integer number (1074470485764).

Almost surely, 2^{6887631318875} is an apocalyptic number.

6887631318875 is a deficient number, since it is larger than the sum of its proper divisors (1708132567237).

6887631318875 is an equidigital number, since it uses as much as digits as its factorization.

6887631318875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55101050566 (or 55101050556 counting only the distinct ones).

The product of its digits is 325140480, while the sum is 71.

The spelling of 6887631318875 in words is "six trillion, eight hundred eighty-seven billion, six hundred thirty-one million, three hundred eighteen thousand, eight hundred seventy-five".