172847163327 has 16 divisors (see below), whose sum is σ = 231691269888. Its totient is φ = 114618272960.

The previous prime is 172847163289. The next prime is 172847163331. The reversal of 172847163327 is 723361748271.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 172847163327 - 2⁶ = 172847163263 is a prime.

It is a super-2 number, since 2×172847163327² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 172847163327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172847163347) 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, 551398 + ... + 806060.

It is an arithmetic number, because the mean of its divisors is an integer number (14480704368).

Almost surely, 2^172847163327 is an apocalyptic number.

172847163327 is a deficient number, since it is larger than the sum of its proper divisors (58844106561).

172847163327 is a wasteful number, since it uses less digits than its factorization.

172847163327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255870.

The product of its digits is 2370816, while the sum is 51.

The spelling of 172847163327 in words is "one hundred seventy-two billion, eight hundred forty-seven million, one hundred sixty-three thousand, three hundred twenty-seven".