172727552384 has 128 divisors (see below), whose sum is σ = 363824697600. Its totient is φ = 81566263296.

The previous prime is 172727552383. The next prime is 172727552423. The reversal of 172727552384 is 483255727271.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172727552383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31731167 + ... + 31736609.

It is an arithmetic number, because the mean of its divisors is an integer number (2842380450).

Almost surely, 2^172727552384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172727552384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181912348800).

172727552384 is an abundant number, since it is smaller than the sum of its proper divisors (191097145216).

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

172727552384 is a wasteful number, since it uses less digits than its factorization.

172727552384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5672 (or 5660 counting only the distinct ones).

The product of its digits is 6585600, while the sum is 53.

The spelling of 172727552384 in words is "one hundred seventy-two billion, seven hundred twenty-seven million, five hundred fifty-two thousand, three hundred eighty-four".