3788987916 has 96 divisors (see below), whose sum is σ = 10479884800. Its totient is φ = 1064750400.

The previous prime is 3788987911. The next prime is 3788987921. The reversal of 3788987916 is 6197898873.

It is an interprime number because it is at equal distance from previous prime (3788987911) and next prime (3788987921).

It is not an unprimeable number, because it can be changed into a prime (3788987911) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 243531 + ... + 258621.

Almost surely, 2^3788987916 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 3788987916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5239942400).

3788987916 is an abundant number, since it is smaller than the sum of its proper divisors (6690896884).

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

3788987916 is a wasteful number, since it uses less digits than its factorization.

3788987916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15180 (or 15164 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 66.

The square root of 3788987916 is about 61554.7554296173. The cubic root of 3788987916 is about 1558.9819014519.

The spelling of 3788987916 in words is "three billion, seven hundred eighty-eight million, nine hundred eighty-seven thousand, nine hundred sixteen".