870617284488448 has 72 divisors (see below), whose sum is σ = 1986205295793600. Its totient is φ = 373101100216320.

The previous prime is 870617284488433. The next prime is 870617284488463. The reversal of 870617284488448 is 844884482716078.

It is an interprime number because it is at equal distance from previous prime (870617284488433) and next prime (870617284488463).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19092828 + ... + 45888676.

It is an arithmetic number, because the mean of its divisors is an integer number (27586184663800).

Almost surely, 2^{870617284488448} is an apocalyptic number.

It is an amenable number.

870617284488448 is an abundant number, since it is smaller than the sum of its proper divisors (1115588011305152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

870617284488448 is a wasteful number, since it uses less digits than its factorization.

870617284488448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26814003 (or 26813989 counting only the distinct ones).

The product of its (nonzero) digits is 4932501504, while the sum is 79.

The spelling of 870617284488448 in words is "eight hundred seventy trillion, six hundred seventeen billion, two hundred eighty-four million, four hundred eighty-eight thousand, four hundred forty-eight".