173908772120 has 16 divisors (see below), whose sum is σ = 391294737360. Its totient is φ = 69563508832.

The previous prime is 173908772101. The next prime is 173908772123. The reversal of 173908772120 is 21277809371.

It is a super-2 number, since 2×173908772120² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173908772123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2173859612 + ... + 2173859691.

It is an arithmetic number, because the mean of its divisors is an integer number (24455921085).

Almost surely, 2^173908772120 is an apocalyptic number.

173908772120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

173908772120 is an abundant number, since it is smaller than the sum of its proper divisors (217385965240).

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

173908772120 is a wasteful number, since it uses less digits than its factorization.

173908772120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4347719314 (or 4347719310 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 47.

The spelling of 173908772120 in words is "one hundred seventy-three billion, nine hundred eight million, seven hundred seventy-two thousand, one hundred twenty".