8857857286389 has 32 divisors (see below), whose sum is σ = 12742143197184. Its totient is φ = 5457419130240.

The previous prime is 8857857286381. The next prime is 8857857286417. The reversal of 8857857286389 is 9836827587588.

8857857286389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8857857286389 - 2³ = 8857857286381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8857857286381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2036089 + ... + 4675614.

It is an arithmetic number, because the mean of its divisors is an integer number (398191974912).

Almost surely, 2^{8857857286389} is an apocalyptic number.

It is an amenable number.

8857857286389 is a deficient number, since it is larger than the sum of its proper divisors (3884285910795).

8857857286389 is a wasteful number, since it uses less digits than its factorization.

8857857286389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6712377.

The product of its digits is 13005619200, while the sum is 84.

The spelling of 8857857286389 in words is "eight trillion, eight hundred fifty-seven billion, eight hundred fifty-seven million, two hundred eighty-six thousand, three hundred eighty-nine".