18872106395 has 8 divisors (see below), whose sum is σ = 23631159456. Its totient is φ = 14441263936.

The previous prime is 18872106391. The next prime is 18872106397. The reversal of 18872106395 is 59360127881.

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

It is a cyclic number.

It is not a de Polignac number, because 18872106395 - 2² = 18872106391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18872106391) 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, 82052522 + ... + 82052751.

It is an arithmetic number, because the mean of its divisors is an integer number (2953894932).

Almost surely, 2^18872106395 is an apocalyptic number.

18872106395 is a deficient number, since it is larger than the sum of its proper divisors (4759053061).

18872106395 is a wasteful number, since it uses less digits than its factorization.

18872106395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164105301.

The product of its (nonzero) digits is 725760, while the sum is 50.

The spelling of 18872106395 in words is "eighteen billion, eight hundred seventy-two million, one hundred six thousand, three hundred ninety-five".