3147944872 has 16 divisors (see below), whose sum is σ = 5906325600. Its totient is φ = 1572924720.

The previous prime is 3147944861. The next prime is 3147944873. The reversal of 3147944872 is 2784497413.

It is not an unprimeable number, because it can be changed into a prime (3147944873) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 118122 + ... + 142297.

It is an arithmetic number, because the mean of its divisors is an integer number (369145350).

Almost surely, 2^3147944872 is an apocalyptic number.

It is an amenable number.

3147944872 is a deficient number, since it is larger than the sum of its proper divisors (2758380728).

3147944872 is a wasteful number, since it uses less digits than its factorization.

3147944872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261936 (or 261932 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 49.

The square root of 3147944872 is about 56106.5492790280. The cubic root of 3147944872 is about 1465.5783451957.

The spelling of 3147944872 in words is "three billion, one hundred forty-seven million, nine hundred forty-four thousand, eight hundred seventy-two".