3878811132 has 96 divisors (see below), whose sum is σ = 10746193920. Its totient is φ = 1065415680.

The previous prime is 3878811119. The next prime is 3878811143. The reversal of 3878811132 is 2311188783.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 583773 + ... + 590379.

It is an arithmetic number, because the mean of its divisors is an integer number (111939520).

Almost surely, 2^3878811132 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 3878811132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5373096960).

3878811132 is an abundant number, since it is smaller than the sum of its proper divisors (6867382788).

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

3878811132 is a wasteful number, since it uses less digits than its factorization.

3878811132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6891 (or 6889 counting only the distinct ones).

The product of its digits is 64512, while the sum is 42.

The square root of 3878811132 is about 62280.1022157157. The cubic root of 3878811132 is about 1571.2050915079.

The spelling of 3878811132 in words is "three billion, eight hundred seventy-eight million, eight hundred eleven thousand, one hundred thirty-two".