3872241187 has 4 divisors (see below), whose sum is σ = 3966686136. Its totient is φ = 3777796240.

The previous prime is 3872241167. The next prime is 3872241193. The reversal of 3872241187 is 7811422783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7811422783 = 11243 ⋅694781.

It is a cyclic number.

It is not a de Polignac number, because 3872241187 - 2²⁷ = 3738023459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3872241157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47222413 + ... + 47222494.

It is an arithmetic number, because the mean of its divisors is an integer number (991671534).

Almost surely, 2^3872241187 is an apocalyptic number.

3872241187 is a deficient number, since it is larger than the sum of its proper divisors (94444949).

3872241187 is an equidigital number, since it uses as much as digits as its factorization.

3872241187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94444948.

The product of its digits is 150528, while the sum is 43.

The square root of 3872241187 is about 62227.3347251833. The cubic root of 3872241187 is about 1570.3174857956.

The spelling of 3872241187 in words is "three billion, eight hundred seventy-two million, two hundred forty-one thousand, one hundred eighty-seven".