6777684256 has 192 divisors, whose sum is σ = 16938270720. Its totient is φ = 2604026880.

The previous prime is 6777684223. The next prime is 6777684271. The reversal of 6777684256 is 6524867776.

It is a self number, because there is not a number n which added to its sum of digits gives 6777684256.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6200446 + ... + 6201538.

It is an arithmetic number, because the mean of its divisors is an integer number (88220160).

Almost surely, 2^6777684256 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 6777684256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8469135360).

6777684256 is an abundant number, since it is smaller than the sum of its proper divisors (10160586464).

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

6777684256 is a wasteful number, since it uses less digits than its factorization.

6777684256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207 (or 1199 counting only the distinct ones).

The product of its digits is 23708160, while the sum is 58.

The square root of 6777684256 is about 82326.6922449821. The cubic root of 6777684256 is about 1892.4617526198.

The spelling of 6777684256 in words is "six billion, seven hundred seventy-seven million, six hundred eighty-four thousand, two hundred fifty-six".