3831382772 has 12 divisors (see below), whose sum is σ = 7662765600. Its totient is φ = 1642021176.

The previous prime is 3831382771. The next prime is 3831382817. The reversal of 3831382772 is 2772831383.

It is a happy number.

3831382772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

3831382772 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3831382771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68417522 + ... + 68417577.

It is an arithmetic number, because the mean of its divisors is an integer number (638563800).

Almost surely, 2^3831382772 is an apocalyptic number.

It is an amenable number.

3831382772 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3831382772 is a wasteful number, since it uses less digits than its factorization.

3831382772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136835110 (or 136835108 counting only the distinct ones).

The product of its digits is 338688, while the sum is 44.

The square root of 3831382772 is about 61898.1645285222. The cubic root of 3831382772 is about 1564.7748143371.

The spelling of 3831382772 in words is "three billion, eight hundred thirty-one million, three hundred eighty-two thousand, seven hundred seventy-two".