6928785328 has 80 divisors (see below), whose sum is σ = 15254380800. Its totient is φ = 3031015680.

The previous prime is 6928785317. The next prime is 6928785337. The reversal of 6928785328 is 8235878296.

It is a super-2 number, since 2×6928785328² = 96016132243016135168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185683 + ... + 219853.

It is an arithmetic number, because the mean of its divisors is an integer number (190679760).

Almost surely, 2^6928785328 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 6928785328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7627190400).

6928785328 is an abundant number, since it is smaller than the sum of its proper divisors (8325595472).

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

6928785328 is a wasteful number, since it uses less digits than its factorization.

6928785328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34250 (or 34244 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 58.

The square root of 6928785328 is about 83239.3256099543. The cubic root of 6928785328 is about 1906.4219746192.

The spelling of 6928785328 in words is "six billion, nine hundred twenty-eight million, seven hundred eighty-five thousand, three hundred twenty-eight".