6779600856 has 224 divisors, whose sum is σ = 22097836800. Its totient is φ = 1908930240.

The previous prime is 6779600837. The next prime is 6779600903. The reversal of 6779600856 is 6580069776.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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 55 ways as a sum of consecutive naturals, for example, 2897335 + ... + 2899673.

Almost surely, 2^6779600856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6779600856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11048918400).

6779600856 is an abundant number, since it is smaller than the sum of its proper divisors (15318235944).

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

6779600856 is a wasteful number, since it uses less digits than its factorization.

6779600856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441 (or 2422 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The square root of 6779600856 is about 82338.3316323570. The cubic root of 6779600856 is about 1892.6401198527.

The spelling of 6779600856 in words is "six billion, seven hundred seventy-nine million, six hundred thousand, eight hundred fifty-six".