868914173 has 8 divisors (see below), whose sum is σ = 875977080. Its totient is φ = 861880320.

The previous prime is 868914169. The next prime is 868914191. The reversal of 868914173 is 371419868.

It can be written as a sum of positive squares in 4 ways, for example, as 229734649 + 639179524 = 15157^2 + 25282^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 868914173 - 2² = 868914169 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 (868914113) 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 in 7 ways as a sum of consecutive naturals, for example, 54923 + ... + 68951.

It is an arithmetic number, because the mean of its divisors is an integer number (109497135).

Almost surely, 2^868914173 is an apocalyptic number.

It is an amenable number.

868914173 is a deficient number, since it is larger than the sum of its proper divisors (7062907).

868914173 is a wasteful number, since it uses less digits than its factorization.

868914173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14527.

The product of its digits is 290304, while the sum is 47.

The square root of 868914173 is about 29477.3501692401. The cubic root of 868914173 is about 954.2429507359.

The spelling of 868914173 in words is "eight hundred sixty-eight million, nine hundred fourteen thousand, one hundred seventy-three".