3172872873 has 32 divisors (see below), whose sum is σ = 4362059520. Its totient is φ = 2050836480.

The previous prime is 3172872827. The next prime is 3172872881. The reversal of 3172872873 is 3782782713.

It is a happy number.

It is not a de Polignac number, because 3172872873 - 2¹⁸ = 3172610729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3172872473) 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 31 ways as a sum of consecutive naturals, for example, 3107103 + ... + 3108123.

It is an arithmetic number, because the mean of its divisors is an integer number (136314360).

Almost surely, 2^3172872873 is an apocalyptic number.

It is an amenable number.

3172872873 is a deficient number, since it is larger than the sum of its proper divisors (1189186647).

3172872873 is a wasteful number, since it uses less digits than its factorization.

3172872873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329.

The product of its digits is 790272, while the sum is 48.

The square root of 3172872873 is about 56328.2599855525. The cubic root of 3172872873 is about 1469.4367275969.

The spelling of 3172872873 in words is "three billion, one hundred seventy-two million, eight hundred seventy-two thousand, eight hundred seventy-three".