172054770398 has 16 divisors (see below), whose sum is σ = 294958350720. Its totient is φ = 73735929816.

The previous prime is 172054770383. The next prime is 172054770401. The reversal of 172054770398 is 893077450271.

172054770398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540965 + ... + 797967.

It is an arithmetic number, because the mean of its divisors is an integer number (18434896920).

Almost surely, 2^172054770398 is an apocalyptic number.

172054770398 is a deficient number, since it is larger than the sum of its proper divisors (122903580322).

172054770398 is a wasteful number, since it uses less digits than its factorization.

172054770398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304831.

The product of its (nonzero) digits is 2963520, while the sum is 53.

The spelling of 172054770398 in words is "one hundred seventy-two billion, fifty-four million, seven hundred seventy thousand, three hundred ninety-eight".