6779079216 has 400 divisors, whose sum is σ = 24682420224. Its totient is φ = 1748418048.

The previous prime is 6779079187. The next prime is 6779079233. The reversal of 6779079216 is 6129709776.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5542381 + ... + 5543603.

Almost surely, 2^6779079216 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 6779079216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12341210112).

6779079216 is an abundant number, since it is smaller than the sum of its proper divisors (17903341008).

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

6779079216 is a wasteful number, since it uses less digits than its factorization.

6779079216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310 (or 1295 counting only the distinct ones).

The product of its (nonzero) digits is 2000376, while the sum is 54.

The square root of 6779079216 is about 82335.1639094743. The cubic root of 6779079216 is about 1892.5915770680.

The spelling of 6779079216 in words is "six billion, seven hundred seventy-nine million, seventy-nine thousand, two hundred sixteen".