3872331881 has 16 divisors (see below), whose sum is σ = 4254197760. Its totient is φ = 3495499920.

The previous prime is 3872331877. The next prime is 3872331887. The reversal of 3872331881 is 1881332783.

It is not a de Polignac number, because 3872331881 - 2² = 3872331877 is a prime.

It is a super-2 number, since 2×3872331881² = 29989908393217996322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3872331887) 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 15 ways as a sum of consecutive naturals, for example, 2170916 + ... + 2172698.

It is an arithmetic number, because the mean of its divisors is an integer number (265887360).

Almost surely, 2^3872331881 is an apocalyptic number.

It is an amenable number.

3872331881 is a deficient number, since it is larger than the sum of its proper divisors (381865879).

3872331881 is a wasteful number, since it uses less digits than its factorization.

3872331881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3076.

The product of its digits is 193536, while the sum is 44.

The square root of 3872331881 is about 62228.0634521114. The cubic root of 3872331881 is about 1570.3297454712.

The spelling of 3872331881 in words is "three billion, eight hundred seventy-two million, three hundred thirty-one thousand, eight hundred eighty-one".