870617518348271 has 6 divisors (see below), whose sum is σ = 918851175874872. Its totient is φ = 824795543698020.

The previous prime is 870617518348229. The next prime is 870617518348307. The reversal of 870617518348271 is 172843815716078.

It is not a de Polignac number, because 870617518348271 - 2²² = 870617514153967 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 (870617518345271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1205841437795 + ... + 1205841438516.

It is an arithmetic number, because the mean of its divisors is an integer number (153141862645812).

Almost surely, 2^{870617518348271} is an apocalyptic number.

870617518348271 is a deficient number, since it is larger than the sum of its proper divisors (48233657526601).

870617518348271 is a wasteful number, since it uses less digits than its factorization.

870617518348271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411682876349 (or 2411682876330 counting only the distinct ones).

The product of its (nonzero) digits is 126443520, while the sum is 68.

The spelling of 870617518348271 in words is "eight hundred seventy trillion, six hundred seventeen billion, five hundred eighteen million, three hundred forty-eight thousand, two hundred seventy-one".