6834457868 has 54 divisors (see below), whose sum is σ = 13997253564. Its totient is φ = 2911399008.

The previous prime is 6834457853. The next prime is 6834457897. The reversal of 6834457868 is 8687544386.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 19695671 + ... + 19696017.

Almost surely, 2^6834457868 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 6834457868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6998626782).

6834457868 is an abundant number, since it is smaller than the sum of its proper divisors (7162795696).

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

6834457868 is a wasteful number, since it uses less digits than its factorization.

6834457868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999 (or 673 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 59.

The square root of 6834457868 is about 82670.7800132550. The cubic root of 6834457868 is about 1897.7311669751.

The spelling of 6834457868 in words is "six billion, eight hundred thirty-four million, four hundred fifty-seven thousand, eight hundred sixty-eight".