8893993988 has 24 divisors (see below), whose sum is σ = 16993035360. Its totient is φ = 4039488320.

The previous prime is 8893993987. The next prime is 8893994009.

8893993988 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (8893993987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24881 + ... + 135672.

It is an arithmetic number, because the mean of its divisors is an integer number (708043140).

Almost surely, 2^8893993988 is an apocalyptic number.

It is an amenable number.

8893993988 is a deficient number, since it is larger than the sum of its proper divisors (8099041372).

8893993988 is a wasteful number, since it uses less digits than its factorization.

8893993988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161827 (or 161825 counting only the distinct ones).

The product of its digits is 241864704, while the sum is 74.

The square root of 8893993988 is about 94307.9741485310. The cubic root of 8893993988 is about 2071.8848296549.

The spelling of 8893993988 in words is "eight billion, eight hundred ninety-three million, nine hundred ninety-three thousand, nine hundred eighty-eight".