6879669786 has 96 divisors (see below), whose sum is σ = 17241771456. Its totient is φ = 1959360000.

The previous prime is 6879669779. The next prime is 6879669787.

6879669786 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (6879669787) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 4378381 + ... + 4379951.

It is an arithmetic number, because the mean of its divisors is an integer number (179601786).

Almost surely, 2^6879669786 is an apocalyptic number.

6879669786 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 6879669786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8620885728).

6879669786 is an abundant number, since it is smaller than the sum of its proper divisors (10362101670).

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

6879669786 is a wasteful number, since it uses less digits than its factorization.

6879669786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908 (or 2905 counting only the distinct ones).

The product of its digits is 329204736, while the sum is 72.

The square root of 6879669786 is about 82943.7748477847. The cubic root of 6879669786 is about 1901.9066535273.

The spelling of 6879669786 in words is "six billion, eight hundred seventy-nine million, six hundred sixty-nine thousand, seven hundred eighty-six".