172874300317 has 4 divisors (see below), whose sum is σ = 173909475936. Its totient is φ = 171839124700.

The previous prime is 172874300311. The next prime is 172874300329. The reversal of 172874300317 is 713003478271.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 172874300317 - 2⁷ = 172874300189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172874300311) 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 3 ways as a sum of consecutive naturals, for example, 517587559 + ... + 517587892.

It is an arithmetic number, because the mean of its divisors is an integer number (43477368984).

Almost surely, 2^172874300317 is an apocalyptic number.

It is an amenable number.

172874300317 is a deficient number, since it is larger than the sum of its proper divisors (1035175619).

172874300317 is a wasteful number, since it uses less digits than its factorization.

172874300317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035175618.

The product of its (nonzero) digits is 197568, while the sum is 43.

Adding to 172874300317 its reverse (713003478271), we get a palindrome (885877778588).

The spelling of 172874300317 in words is "one hundred seventy-two billion, eight hundred seventy-four million, three hundred thousand, three hundred seventeen".