8868855591000 has 1024 divisors, whose sum is σ = 33081708441600. Its totient is φ = 2192458752000.

The previous prime is 8868855590999. The next prime is 8868855591067. The reversal of 8868855591000 is 1955588688.

8868855591000 is a `hidden beast` number, since 8 + 8 + 68 + 8 + 5 + 559 + 10 + 0 + 0 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 4150141932 + ... + 4150144068.

It is an arithmetic number, because the mean of its divisors is an integer number (32306355900).

Almost surely, 2^{8868855591000} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8868855591000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16540854220800).

8868855591000 is an abundant number, since it is smaller than the sum of its proper divisors (24212852850600).

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

8868855591000 is a wasteful number, since it uses less digits than its factorization.

8868855591000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2394 (or 2374 counting only the distinct ones).

The product of its (nonzero) digits is 27648000, while the sum is 63.

The spelling of 8868855591000 in words is "eight trillion, eight hundred sixty-eight billion, eight hundred fifty-five million, five hundred ninety-one thousand".