172873810053 has 48 divisors (see below), whose sum is σ = 303405523200. Its totient is φ = 92707160832.

The previous prime is 172873809859. The next prime is 172873810073. The reversal of 172873810053 is 350018378271.

It is not a de Polignac number, because 172873810053 - 2⁹ = 172873809541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 172873809990 and 172873810008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172873810073) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1048728 + ... + 1202321.

It is an arithmetic number, because the mean of its divisors is an integer number (6320948400).

Almost surely, 2^172873810053 is an apocalyptic number.

It is an amenable number.

172873810053 is a deficient number, since it is larger than the sum of its proper divisors (130531713147).

172873810053 is a wasteful number, since it uses less digits than its factorization.

172873810053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251138 (or 2251135 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 172873810053 in words is "one hundred seventy-two billion, eight hundred seventy-three million, eight hundred ten thousand, fifty-three".