858715000087 has 8 divisors (see below), whose sum is σ = 981476938656. Its totient is φ = 735975153312.

The previous prime is 858715000081. The next prime is 858715000109. The reversal of 858715000087 is 780000517858.

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

It is not a de Polignac number, because 858715000087 - 2¹¹ = 858714998039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 858715000087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (858715000081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5439568 + ... + 5595205.

It is an arithmetic number, because the mean of its divisors is an integer number (122684617332).

Almost surely, 2^858715000087 is an apocalyptic number.

858715000087 is a deficient number, since it is larger than the sum of its proper divisors (122761938569).

858715000087 is a wasteful number, since it uses less digits than its factorization.

858715000087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11045897.

The product of its (nonzero) digits is 627200, while the sum is 49.

The spelling of 858715000087 in words is "eight hundred fifty-eight billion, seven hundred fifteen million, eighty-seven", and thus it is an aban number.