3768311808 has 196 divisors, whose sum is σ = 11316983208. Its totient is φ = 1254113280.

The previous prime is 3768311803. The next prime is 3768311821. The reversal of 3768311808 is 8081138673.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3768311803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 5971653 + ... + 5972283.

Almost surely, 2^3768311808 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 3768311808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5658491604).

3768311808 is an abundant number, since it is smaller than the sum of its proper divisors (7548671400).

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

3768311808 is an frugal number, since it uses more digits than its factorization.

3768311808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 3768311808 is about 61386.5767737540. The cubic root of 3768311808 is about 1556.1409943101.

The spelling of 3768311808 in words is "three billion, seven hundred sixty-eight million, three hundred eleven thousand, eight hundred eight".