3778833888 has 72 divisors (see below), whose sum is σ = 10928244600. Its totient is φ = 1238256384.

The previous prime is 3778833871. The next prime is 3778833889. The reversal of 3778833888 is 8883388773.

3778833888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3778833889) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94203 + ... + 128186.

It is an arithmetic number, because the mean of its divisors is an integer number (151781175).

Almost surely, 2^3778833888 is an apocalyptic number.

It is an amenable number.

3778833888 is an abundant number, since it is smaller than the sum of its proper divisors (7149410712).

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

3778833888 is a wasteful number, since it uses less digits than its factorization.

3778833888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222464 (or 222453 counting only the distinct ones).

The product of its digits is 43352064, while the sum is 63.

The square root of 3778833888 is about 61472.2204576994. The cubic root of 3778833888 is about 1557.5880281099.

The spelling of 3778833888 in words is "three billion, seven hundred seventy-eight million, eight hundred thirty-three thousand, eight hundred eighty-eight".