6876876786786 has 24 divisors (see below), whose sum is σ = 15302599698204. Its totient is φ = 2230338417120.

The previous prime is 6876876786721. The next prime is 6876876786803.

It is a happy number.

6876876786786 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 5100438312225 + 1776438474561 = 2258415^2 + 1332831^2 .

It is a super-2 number, since 2×6876876786786² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6876876786696 and 6876876786705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5162819745 + ... + 5162821076.

Almost surely, 2^{6876876786786} is an apocalyptic number.

6876876786786 is an abundant number, since it is smaller than the sum of its proper divisors (8425722911418).

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

6876876786786 is a wasteful number, since it uses less digits than its factorization.

6876876786786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10325640866 (or 10325640863 counting only the distinct ones).

The product of its digits is 76473040896, while the sum is 90.

The spelling of 6876876786786 in words is "six trillion, eight hundred seventy-six billion, eight hundred seventy-six million, seven hundred eighty-six thousand, seven hundred eighty-six".