6839386680 has 384 divisors, whose sum is σ = 26002944000. Its totient is φ = 1429263360.

The previous prime is 6839386679. The next prime is 6839386691. The reversal of 6839386680 is 866839386.

It is a super-2 number, since 2×6839386680² = 93554420317122844800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 6839386680.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3238825 + ... + 3240935.

It is an arithmetic number, because the mean of its divisors is an integer number (67716000).

Almost surely, 2^6839386680 is an apocalyptic number.

6839386680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6839386680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13001472000).

6839386680 is an abundant number, since it is smaller than the sum of its proper divisors (19163557320).

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

6839386680 is a wasteful number, since it uses less digits than its factorization.

6839386680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187 (or 2176 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 57.

The square root of 6839386680 is about 82700.5845203043. The cubic root of 6839386680 is about 1898.1872535062.

The spelling of 6839386680 in words is "six billion, eight hundred thirty-nine million, three hundred eighty-six thousand, six hundred eighty".