3831785568 has 192 divisors, whose sum is σ = 12163273920. Its totient is φ = 1166524416.

The previous prime is 3831785563. The next prime is 3831785569. The reversal of 3831785568 is 8655871383.

3831785568 is a `hidden beast` number, since 3 + 8 + 3 + 1 + 78 + 5 + 568 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3831785561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1087746 + ... + 1091262.

It is an arithmetic number, because the mean of its divisors is an integer number (63350385).

Almost surely, 2^3831785568 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 3831785568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6081636960).

3831785568 is an abundant number, since it is smaller than the sum of its proper divisors (8331488352).

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

3831785568 is a wasteful number, since it uses less digits than its factorization.

3831785568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3646 (or 3632 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The square root of 3831785568 is about 61901.4181420749. The cubic root of 3831785568 is about 1564.8296477126.

The spelling of 3831785568 in words is "three billion, eight hundred thirty-one million, seven hundred eighty-five thousand, five hundred sixty-eight".