3868133780 has 96 divisors (see below), whose sum is σ = 9487951872. Its totient is φ = 1297296000.

The previous prime is 3868133771. The next prime is 3868133783. The reversal of 3868133780 is 873318683.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3868133783) 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, 1415015 + ... + 1417745.

It is an arithmetic number, because the mean of its divisors is an integer number (98832832).

Almost surely, 2^3868133780 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 3868133780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4743975936).

3868133780 is an abundant number, since it is smaller than the sum of its proper divisors (5619818092).

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

3868133780 is a wasteful number, since it uses less digits than its factorization.

3868133780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965 (or 2963 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 3868133780 is about 62194.3227312590. The cubic root of 3868133780 is about 1569.7620611191.

The spelling of 3868133780 in words is "three billion, eight hundred sixty-eight million, one hundred thirty-three thousand, seven hundred eighty".