172288882272 has 48 divisors (see below), whose sum is σ = 487047420720. Its totient is φ = 53011963392.

The previous prime is 172288882201. The next prime is 172288882307. The reversal of 172288882272 is 272288882271.

172288882272 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69024747 + ... + 69027242.

It is an arithmetic number, because the mean of its divisors is an integer number (10146821265).

Almost surely, 2^172288882272 is an apocalyptic number.

172288882272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

172288882272 is an abundant number, since it is smaller than the sum of its proper divisors (314758538448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172288882272 is a wasteful number, since it uses less digits than its factorization.

172288882272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138052015 (or 138052007 counting only the distinct ones).

The product of its digits is 6422528, while the sum is 57.

Subtracting 172288882272 from its reverse (272288882271), we obtain a palindrome (99999999999).

The spelling of 172288882272 in words is "one hundred seventy-two billion, two hundred eighty-eight million, eight hundred eighty-two thousand, two hundred seventy-two".