3171715872 has 48 divisors (see below), whose sum is σ = 8966200320. Its totient is φ = 975912192.

The previous prime is 3171715853. The next prime is 3171715879. The reversal of 3171715872 is 2785171713.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (3171715879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1269472 + ... + 1271967.

It is an arithmetic number, because the mean of its divisors is an integer number (186795840).

Almost surely, 2^3171715872 is an apocalyptic number.

3171715872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3171715872 is an abundant number, since it is smaller than the sum of its proper divisors (5794484448).

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

3171715872 is a wasteful number, since it uses less digits than its factorization.

3171715872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541465 (or 2541457 counting only the distinct ones).

The product of its digits is 82320, while the sum is 42.

The square root of 3171715872 is about 56317.9888845474. The cubic root of 3171715872 is about 1469.2580938552.

The spelling of 3171715872 in words is "three billion, one hundred seventy-one million, seven hundred fifteen thousand, eight hundred seventy-two".