172255467799 has 2 divisors, whose sum is σ = 172255467800. Its totient is φ = 172255467798.

The previous prime is 172255467767. The next prime is 172255467821. The reversal of 172255467799 is 997764552271.

172255467799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 172255467799 - 2⁵ = 172255467767 is a prime.

It is a super-3 number, since 3×172255467799³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 172255467799.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172255467739) by changing a digit.

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 as a sum of consecutive naturals, namely, 86127733899 + 86127733900.

It is an arithmetic number, because the mean of its divisors is an integer number (86127733900).

Almost surely, 2^172255467799 is an apocalyptic number.

172255467799 is a deficient number, since it is larger than the sum of its proper divisors (1).

172255467799 is an equidigital number, since it uses as much as digits as its factorization.

172255467799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 66679200, while the sum is 64.

The spelling of 172255467799 in words is "one hundred seventy-two billion, two hundred fifty-five million, four hundred sixty-seven thousand, seven hundred ninety-nine".