870617284374850 has 48 divisors (see below), whose sum is σ = 1632075125049000. Its totient is φ = 345515259732480.

The previous prime is 870617284374839. The next prime is 870617284374863. The reversal of 870617284374850 is 58473482716078.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 9685035702241 + 860932248672609 = 3112079^2 + 29341647^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 870617284374850.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60091995 + ... + 73159294.

Almost surely, 2^{870617284374850} is an apocalyptic number.

870617284374850 is a deficient number, since it is larger than the sum of its proper divisors (761457840674150).

870617284374850 is a wasteful number, since it uses less digits than its factorization.

870617284374850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133252327 (or 133252322 counting only the distinct ones).

The product of its (nonzero) digits is 505774080, while the sum is 70.

The spelling of 870617284374850 in words is "eight hundred seventy trillion, six hundred seventeen billion, two hundred eighty-four million, three hundred seventy-four thousand, eight hundred fifty".