8865894658842 has 256 divisors, whose sum is σ = 22659649689600. Its totient is φ = 2545363491840.

The previous prime is 8865894658811. The next prime is 8865894658853. The reversal of 8865894658842 is 2488564985688.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2043301509 + ... + 2043305847.

It is an arithmetic number, because the mean of its divisors is an integer number (88514256600).

Almost surely, 2^{8865894658842} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8865894658842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11329824844800).

8865894658842 is an abundant number, since it is smaller than the sum of its proper divisors (13793755030758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8865894658842 is a wasteful number, since it uses less digits than its factorization.

8865894658842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5818 (or 5812 counting only the distinct ones).

The product of its digits is 8493465600, while the sum is 81.

The spelling of 8865894658842 in words is "eight trillion, eight hundred sixty-five billion, eight hundred ninety-four million, six hundred fifty-eight thousand, eight hundred forty-two".