6778850688 has 256 divisors, whose sum is σ = 20856960000. Its totient is φ = 2164893696.

The previous prime is 6778850671. The next prime is 6778850731. The reversal of 6778850688 is 8860588776.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23953395 + ... + 23953677.

It is an arithmetic number, because the mean of its divisors is an integer number (81472500).

Almost surely, 2^6778850688 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 6778850688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10428480000).

6778850688 is an abundant number, since it is smaller than the sum of its proper divisors (14078109312).

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

6778850688 is a wasteful number, since it uses less digits than its factorization.

6778850688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 36126720, while the sum is 63.

The square root of 6778850688 is about 82333.7761067716. The cubic root of 6778850688 is about 1892.5703099207.

The spelling of 6778850688 in words is "six billion, seven hundred seventy-eight million, eight hundred fifty thousand, six hundred eighty-eight".