3875138889 has 8 divisors (see below), whose sum is σ = 5232255360. Its totient is φ = 2550724176.

The previous prime is 3875138851. The next prime is 3875138929. The reversal of 3875138889 is 9888315783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3875138889 - 2⁸ = 3875138633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3875138819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8175162 + ... + 8175635.

It is an arithmetic number, because the mean of its divisors is an integer number (654031920).

Almost surely, 2^3875138889 is an apocalyptic number.

It is an amenable number.

3875138889 is a deficient number, since it is larger than the sum of its proper divisors (1357116471).

3875138889 is a wasteful number, since it uses less digits than its factorization.

3875138889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16350879.

The product of its digits is 11612160, while the sum is 60.

The square root of 3875138889 is about 62250.6135632413. The cubic root of 3875138889 is about 1570.7090917013.

The spelling of 3875138889 in words is "three billion, eight hundred seventy-five million, one hundred thirty-eight thousand, eight hundred eighty-nine".