8864450789 has 4 divisors (see below), whose sum is σ = 8864955456. Its totient is φ = 8863946124.

The previous prime is 8864450729. The next prime is 8864450801. The reversal of 8864450789 is 9870544688.

8864450789 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8864450789 - 2⁸ = 8864450533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8864450719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224999 + ... + 261444.

It is an arithmetic number, because the mean of its divisors is an integer number (2216238864).

Almost surely, 2^8864450789 is an apocalyptic number.

It is an amenable number.

8864450789 is a deficient number, since it is larger than the sum of its proper divisors (504667).

8864450789 is a wasteful number, since it uses less digits than its factorization.

8864450789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504666.

The product of its (nonzero) digits is 15482880, while the sum is 59.

The square root of 8864450789 is about 94151.2123607551. The cubic root of 8864450789 is about 2069.5882234593.

The spelling of 8864450789 in words is "eight billion, eight hundred sixty-four million, four hundred fifty thousand, seven hundred eighty-nine".