173873988324 has 27 divisors (see below), whose sum is σ = 439521128137. Its totient is φ = 57957162144.

The previous prime is 173873988259. The next prime is 173873988347. The reversal of 173873988324 is 423889378371.

The square root of 173873988324 is 416982.

It is a perfect power (a square), and thus also a powerful number.

173873988324 is a `hidden beast` number, since 1 + 73 + 87 + 398 + 83 + 24 = 666.

It can be written as a sum of positive squares in only one way, i.e., 34273116900 + 139600871424 = 185130^2 + 373632^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2467144 + ... + 2536640.

Almost surely, 2^173873988324 is an apocalyptic number.

173873988324 is the 416982-nd square number.

It is an amenable number.

173873988324 is an abundant number, since it is smaller than the sum of its proper divisors (265647139813).

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

173873988324 is an frugal number, since it uses more digits than its factorization.

173873988324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139004 (or 69502 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 63.

The spelling of 173873988324 in words is "one hundred seventy-three billion, eight hundred seventy-three million, nine hundred eighty-eight thousand, three hundred twenty-four".