172187104383 has 24 divisors (see below), whose sum is σ = 300965696928. Its totient is φ = 92604828672.

The previous prime is 172187104379. The next prime is 172187104391. The reversal of 172187104383 is 383401781271.

It is not a de Polignac number, because 172187104383 - 2² = 172187104379 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172187104183) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80385066 + ... + 80387207.

It is an arithmetic number, because the mean of its divisors is an integer number (12540237372).

Almost surely, 2^172187104383 is an apocalyptic number.

172187104383 is a deficient number, since it is larger than the sum of its proper divisors (128778592545).

172187104383 is a wasteful number, since it uses less digits than its factorization.

172187104383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160772303 (or 160772300 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 172187104383 in words is "one hundred seventy-two billion, one hundred eighty-seven million, one hundred four thousand, three hundred eighty-three".