6766435844 has 48 divisors (see below), whose sum is σ = 13983599616. Its totient is φ = 2803507200.

The previous prime is 6766435811. The next prime is 6766435847. The reversal of 6766435844 is 4485346676.

It is not an unprimeable number, because it can be changed into a prime (6766435847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 997424 + ... + 1004184.

It is an arithmetic number, because the mean of its divisors is an integer number (291324992).

Almost surely, 2^6766435844 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 6766435844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6991799808).

6766435844 is an abundant number, since it is smaller than the sum of its proper divisors (7217163772).

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

6766435844 is a wasteful number, since it uses less digits than its factorization.

6766435844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7956 (or 7954 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 53.

The square root of 6766435844 is about 82258.3481720852. The cubic root of 6766435844 is about 1891.4142475133.

The spelling of 6766435844 in words is "six billion, seven hundred sixty-six million, four hundred thirty-five thousand, eight hundred forty-four".