870617284375205 has 8 divisors (see below), whose sum is σ = 1044876123017592. Its totient is φ = 696403572988608.

The previous prime is 870617284375193. The next prime is 870617284375247. The reversal of 870617284375205 is 502573482716078.

It can be written as a sum of positive squares in 4 ways, for example, as 334288054334116 + 536329230041089 = 18283546^2 + 23158783^2 .

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 870617284375205 - 2¹⁰ = 870617284374181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11281771502 + ... + 11281848671.

It is an arithmetic number, because the mean of its divisors is an integer number (130609515377199).

Almost surely, 2^{870617284375205} is an apocalyptic number.

It is an amenable number.

870617284375205 is a deficient number, since it is larger than the sum of its proper divisors (174258838642387).

870617284375205 is a wasteful number, since it uses less digits than its factorization.

870617284375205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22563627895.

The product of its (nonzero) digits is 158054400, while the sum is 65.

The spelling of 870617284375205 in words is "eight hundred seventy trillion, six hundred seventeen billion, two hundred eighty-four million, three hundred seventy-five thousand, two hundred five".