871617223 has 8 divisors (see below), whose sum is σ = 909836928. Its totient is φ = 833424504.

The previous prime is 871617221. The next prime is 871617283. The reversal of 871617223 is 322716178.

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

It is not a de Polignac number, because 871617223 - 2¹ = 871617221 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 (871617221) 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, 87336 + ... + 96802.

It is an arithmetic number, because the mean of its divisors is an integer number (113729616).

Almost surely, 2^871617223 is an apocalyptic number.

871617223 is a deficient number, since it is larger than the sum of its proper divisors (38219705).

871617223 is a wasteful number, since it uses less digits than its factorization.

871617223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13493.

The product of its digits is 28224, while the sum is 37.

The square root of 871617223 is about 29523.1641766258. The cubic root of 871617223 is about 955.2314244113.

The spelling of 871617223 in words is "eight hundred seventy-one million, six hundred seventeen thousand, two hundred twenty-three".