3871126372 has 12 divisors (see below), whose sum is σ = 7172969580. Its totient is φ = 1821706496.

The previous prime is 3871126361. The next prime is 3871126381. The reversal of 3871126372 is 2736211783.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3571974756 + 299151616 = 59766^2 + 17296^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28464097 + ... + 28464232.

It is an arithmetic number, because the mean of its divisors is an integer number (597747465).

Almost surely, 2^3871126372 is an apocalyptic number.

It is an amenable number.

3871126372 is a deficient number, since it is larger than the sum of its proper divisors (3301843208).

3871126372 is a wasteful number, since it uses less digits than its factorization.

3871126372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56928350 (or 56928348 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 3871126372 is about 62218.3764815509. The cubic root of 3871126372 is about 1570.1667736344.

The spelling of 3871126372 in words is "three billion, eight hundred seventy-one million, one hundred twenty-six thousand, three hundred seventy-two".