3243787808 has 48 divisors (see below), whose sum is σ = 6613510680. Its totient is φ = 1564286976.

The previous prime is 3243787801. The next prime is 3243787847. The reversal of 3243787808 is 8087873423.

It can be written as a sum of positive squares in 4 ways, for example, as 3092694544 + 151093264 = 55612^2 + 12292^2 .

It is not an unprimeable number, because it can be changed into a prime (3243787801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1607216 + ... + 1609232.

Almost surely, 2^3243787808 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 3243787808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3306755340).

3243787808 is an abundant number, since it is smaller than the sum of its proper divisors (3369722872).

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

3243787808 is a wasteful number, since it uses less digits than its factorization.

3243787808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3789 (or 3781 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 50.

The square root of 3243787808 is about 56954.2606659063. The cubic root of 3243787808 is about 1480.3036581701.

The spelling of 3243787808 in words is "three billion, two hundred forty-three million, seven hundred eighty-seven thousand, eight hundred eight".