3172247871 has 16 divisors (see below), whose sum is σ = 4556576640. Its totient is φ = 1951486560.

The previous prime is 3172247851. The next prime is 3172247891. The reversal of 3172247871 is 1787422713.

It is an interprime number because it is at equal distance from previous prime (3172247851) and next prime (3172247891).

It is not a de Polignac number, because 3172247871 - 2⁵ = 3172247839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3172247831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117700 + ... + 142118.

It is an arithmetic number, because the mean of its divisors is an integer number (284786040).

Almost surely, 2^3172247871 is an apocalyptic number.

3172247871 is a deficient number, since it is larger than the sum of its proper divisors (1384328769).

3172247871 is a wasteful number, since it uses less digits than its factorization.

3172247871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27766.

The product of its digits is 131712, while the sum is 42.

The square root of 3172247871 is about 56322.7118576512. The cubic root of 3172247871 is about 1469.3402365786.

The spelling of 3172247871 in words is "three billion, one hundred seventy-two million, two hundred forty-seven thousand, eight hundred seventy-one".