858572872287 has 16 divisors (see below), whose sum is σ = 1259052856320. Its totient is φ = 517110992352.

The previous prime is 858572872237. The next prime is 858572872327. The reversal of 858572872287 is 782278275858.

It is not a de Polignac number, because 858572872287 - 2¹⁹ = 858572347999 is a prime.

It is a super-2 number, since 2×858572872287² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (858572872237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234196987 + ... + 234200652.

It is an arithmetic number, because the mean of its divisors is an integer number (78690803520).

Almost surely, 2^858572872287 is an apocalyptic number.

858572872287 is a deficient number, since it is larger than the sum of its proper divisors (400479984033).

858572872287 is a wasteful number, since it uses less digits than its factorization.

858572872287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468397702.

The product of its digits is 280985600, while the sum is 69.

The spelling of 858572872287 in words is "eight hundred fifty-eight billion, five hundred seventy-two million, eight hundred seventy-two thousand, two hundred eighty-seven".