858715142930 has 8 divisors (see below), whose sum is σ = 1545687257292. Its totient is φ = 343486057168.

The previous prime is 858715142921. The next prime is 858715142933. The reversal of 858715142930 is 39241517858.

It can be written as a sum of positive squares in 2 ways, for example, as 858585706801 + 129436129 = 926599^2 + 11377^2 .

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

It is not an unprimeable number, because it can be changed into a prime (858715142933) by changing a digit.

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, 42935757137 + ... + 42935757156.

Almost surely, 2^858715142930 is an apocalyptic number.

858715142930 is a deficient number, since it is larger than the sum of its proper divisors (686972114362).

858715142930 is a wasteful number, since it uses less digits than its factorization.

858715142930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85871514300.

The product of its (nonzero) digits is 2419200, while the sum is 53.

The spelling of 858715142930 in words is "eight hundred fifty-eight billion, seven hundred fifteen million, one hundred forty-two thousand, nine hundred thirty".