6875886885786 has 48 divisors (see below), whose sum is σ = 15788850129000. Its totient is φ = 2155122975744.

The previous prime is 6875886885761. The next prime is 6875886885787.

6875886885786 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 6435430344225 + 440456541561 = 2536815^2 + 663669^2 .

It is a super-2 number, since 2×6875886885786² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6875886885696 and 6875886885705.

It is not an unprimeable number, because it can be changed into a prime (6875886885787) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10182811 + ... + 10837038.

Almost surely, 2^{6875886885786} is an apocalyptic number.

6875886885786 is an abundant number, since it is smaller than the sum of its proper divisors (8912963243214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6875886885786 is a wasteful number, since it uses less digits than its factorization.

6875886885786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21020943 (or 21020940 counting only the distinct ones).

The product of its digits is 69363302400, while the sum is 90.

The spelling of 6875886885786 in words is "six trillion, eight hundred seventy-five billion, eight hundred eighty-six million, eight hundred eighty-five thousand, seven hundred eighty-six".