870617284374849 has 32 divisors (see below), whose sum is σ = 1268548406294400. Its totient is φ = 526732436520960.

The previous prime is 870617284374839. The next prime is 870617284374863. The reversal of 870617284374849 is 948473482716078.

It is not a de Polignac number, because 870617284374849 - 2⁴ = 870617284374833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (870617284374839) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51166447 + ... + 66024539.

It is an arithmetic number, because the mean of its divisors is an integer number (39642137696700).

Almost surely, 2^{870617284374849} is an apocalyptic number.

It is an amenable number.

870617284374849 is a deficient number, since it is larger than the sum of its proper divisors (397931121919551).

870617284374849 is a wasteful number, since it uses less digits than its factorization.

870617284374849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14861185.

The product of its (nonzero) digits is 3641573376, while the sum is 78.

The spelling of 870617284374849 in words is "eight hundred seventy trillion, six hundred seventeen billion, two hundred eighty-four million, three hundred seventy-four thousand, eight hundred forty-nine".