172727841108 has 48 divisors (see below), whose sum is σ = 417678266880. Its totient is φ = 55490703744.

The previous prime is 172727841101. The next prime is 172727841109. The reversal of 172727841108 is 801148727271.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172727841101) 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 15 ways as a sum of consecutive naturals, for example, 251716 + ... + 639387.

It is an arithmetic number, because the mean of its divisors is an integer number (8701630560).

Almost surely, 2^172727841108 is an apocalyptic number.

It is an amenable number.

172727841108 is an abundant number, since it is smaller than the sum of its proper divisors (244950425772).

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

172727841108 is a wasteful number, since it uses less digits than its factorization.

172727841108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891696 (or 891694 counting only the distinct ones).

The product of its (nonzero) digits is 351232, while the sum is 48.

The spelling of 172727841108 in words is "one hundred seventy-two billion, seven hundred twenty-seven million, eight hundred forty-one thousand, one hundred eight".