6834788920 has 128 divisors (see below), whose sum is σ = 16042276800. Its totient is φ = 2619187200.

The previous prime is 6834788911. The next prime is 6834788923. The reversal of 6834788920 is 298874386.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6834788923) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28360000 + ... + 28360240.

Almost surely, 2^6834788920 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 6834788920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8021138400).

6834788920 is an abundant number, since it is smaller than the sum of its proper divisors (9207487880).

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

6834788920 is a wasteful number, since it uses less digits than its factorization.

6834788920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569 (or 565 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 55.

The square root of 6834788920 is about 82672.7822200269. The cubic root of 6834788920 is about 1897.7618076671.

The spelling of 6834788920 in words is "six billion, eight hundred thirty-four million, seven hundred eighty-eight thousand, nine hundred twenty".