3778688316 has 48 divisors (see below), whose sum is σ = 9503373600. Its totient is φ = 1161668352.

The previous prime is 3778688297. The next prime is 3778688351. The reversal of 3778688316 is 6138868773.

3778688316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181870 + ... + 201578.

It is an arithmetic number, because the mean of its divisors is an integer number (197986950).

Almost surely, 2^3778688316 is an apocalyptic number.

It is an amenable number.

3778688316 is an abundant number, since it is smaller than the sum of its proper divisors (5724685284).

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

3778688316 is a wasteful number, since it uses less digits than its factorization.

3778688316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20958 (or 20956 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 57.

The square root of 3778688316 is about 61471.0363992669. The cubic root of 3778688316 is about 1557.5680268676.

The spelling of 3778688316 in words is "three billion, seven hundred seventy-eight million, six hundred eighty-eight thousand, three hundred sixteen".