8867791872 has 440 divisors, whose sum is σ = 29603550240. Its totient is φ = 2627665920.

The previous prime is 8867791871. The next prime is 8867791921. The reversal of 8867791872 is 2781977688.

It is not an unprimeable number, because it can be changed into a prime (8867791871) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 26790747 + ... + 26791077.

It is an arithmetic number, because the mean of its divisors is an integer number (67280796).

Almost surely, 2^8867791872 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 8867791872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14801775120).

8867791872 is an abundant number, since it is smaller than the sum of its proper divisors (20735758368).

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

8867791872 is a wasteful number, since it uses less digits than its factorization.

8867791872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399 (or 372 counting only the distinct ones).

The product of its digits is 18966528, while the sum is 63.

The square root of 8867791872 is about 94168.9538648487. The cubic root of 8867791872 is about 2069.8482056303.

The spelling of 8867791872 in words is "eight billion, eight hundred sixty-seven million, seven hundred ninety-one thousand, eight hundred seventy-two".