3871186112 has 56 divisors (see below), whose sum is σ = 7879080000. Its totient is φ = 1886121216.

The previous prime is 3871186079. The next prime is 3871186129. The reversal of 3871186112 is 2116811783.

It is a happy number.

It is a super-3 number, since 3×3871186112³ (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1371839 + ... + 1374657.

Almost surely, 2^3871186112 is an apocalyptic number.

3871186112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3871186112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3939540000).

3871186112 is an abundant number, since it is smaller than the sum of its proper divisors (4007893888).

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

3871186112 is a wasteful number, since it uses less digits than its factorization.

3871186112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3373 (or 3363 counting only the distinct ones).

The product of its digits is 16128, while the sum is 38.

The square root of 3871186112 is about 62218.8565629424. The cubic root of 3871186112 is about 1570.1748506359.

Adding to 3871186112 its reverse (2116811783), we get a palindrome (5987997895).

The spelling of 3871186112 in words is "three billion, eight hundred seventy-one million, one hundred eighty-six thousand, one hundred twelve".