172113288 has 16 divisors (see below), whose sum is σ = 430283280. Its totient is φ = 57371088.

The previous prime is 172113259. The next prime is 172113311. The reversal of 172113288 is 882311271.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3585670 + ... + 3585717.

It is an arithmetic number, because the mean of its divisors is an integer number (26892705).

Almost surely, 2^172113288 is an apocalyptic number.

It is an amenable number.

172113288 is an abundant number, since it is smaller than the sum of its proper divisors (258169992).

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

172113288 is a wasteful number, since it uses less digits than its factorization.

172113288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7171396 (or 7171392 counting only the distinct ones).

The product of its digits is 5376, while the sum is 33.

The square root of 172113288 is about 13119.1954021579. The cubic root of 172113288 is about 556.2518483632.

The spelling of 172113288 in words is "one hundred seventy-two million, one hundred thirteen thousand, two hundred eighty-eight".