858047017930 has 8 divisors (see below), whose sum is σ = 1544484632292. Its totient is φ = 343218807168.

The previous prime is 858047017913. The next prime is 858047017969. The reversal of 858047017930 is 39710740858.

It can be written as a sum of positive squares in 2 ways, for example, as 742325265889 + 115721752041 = 861583^2 + 340179^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 42902350887 + ... + 42902350906.

Almost surely, 2^858047017930 is an apocalyptic number.

858047017930 is a deficient number, since it is larger than the sum of its proper divisors (686437614362).

858047017930 is a wasteful number, since it uses less digits than its factorization.

858047017930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85804701800.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 858047017930 in words is "eight hundred fifty-eight billion, forty-seven million, seventeen thousand, nine hundred thirty".