3299781888 has 180 divisors, whose sum is σ = 10597091428. Its totient is φ = 1015234560.

The previous prime is 3299781869. The next prime is 3299781911. The reversal of 3299781888 is 8881879923.

It can be written as a sum of positive squares in 2 ways, for example, as 656999424 + 2642782464 = 25632^2 + 51408^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 263448 + ... + 275688.

Almost surely, 2^3299781888 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 3299781888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5298545714).

3299781888 is an abundant number, since it is smaller than the sum of its proper divisors (7297309540).

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

3299781888 is a wasteful number, since it uses less digits than its factorization.

3299781888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12282 (or 12259 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 63.

The square root of 3299781888 is about 57443.7280127256. The cubic root of 3299781888 is about 1488.7727515891.

The spelling of 3299781888 in words is "three billion, two hundred ninety-nine million, seven hundred eighty-one thousand, eight hundred eighty-eight".