8894994989 has 8 divisors (see below), whose sum is σ = 9364985280. Its totient is φ = 8425188000.

The previous prime is 8894994971. The next prime is 8894995009. The reversal of 8894994989 is 9894994988.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8894994989 - 2²⁴ = 8878217773 is a prime.

It is a super-2 number, since 2×8894994989² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8894994919) 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, 60089 + ... + 146289.

It is an arithmetic number, because the mean of its divisors is an integer number (1170623160).

Almost surely, 2^8894994989 is an apocalyptic number.

It is an amenable number.

8894994989 is a deficient number, since it is larger than the sum of its proper divisors (469990291).

8894994989 is a wasteful number, since it uses less digits than its factorization.

8894994989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91651.

The product of its digits is 483729408, while the sum is 77.

The square root of 8894994989 is about 94313.2810849034. The cubic root of 8894994989 is about 2071.9625555520.

Subtracting 8894994989 from its reverse (9894994988), we obtain a palindrome (999999999).

The spelling of 8894994989 in words is "eight billion, eight hundred ninety-four million, nine hundred ninety-four thousand, nine hundred eighty-nine".