870641207083217 has 16 divisors (see below), whose sum is σ = 876548495991168. Its totient is φ = 864744102789120.

The previous prime is 870641207083157. The next prime is 870641207083243. The reversal of 870641207083217 is 712380702146078.

870641207083217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 870641207083217 - 2¹⁴ = 870641207066833 is a prime.

It is a super-2 number, since 2×870641207083217² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (870641207088217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2374769873 + ... + 2375136465.

It is an arithmetic number, because the mean of its divisors is an integer number (54784280999448).

Almost surely, 2^{870641207083217} is an apocalyptic number.

It is an amenable number.

870641207083217 is a deficient number, since it is larger than the sum of its proper divisors (5907288907951).

870641207083217 is a wasteful number, since it uses less digits than its factorization.

870641207083217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380440.

The product of its (nonzero) digits is 6322176, while the sum is 56.

The spelling of 870641207083217 in words is "eight hundred seventy trillion, six hundred forty-one billion, two hundred seven million, eighty-three thousand, two hundred seventeen".