89000900099 has 4 divisors (see below), whose sum is σ = 89021939760. Its totient is φ = 88979860440.

The previous prime is 89000900069. The next prime is 89000900117. The reversal of 89000900099 is 99000900098.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99000900098 = 2 ⋅49500450049.

It is a cyclic number.

It is not a de Polignac number, because 89000900099 - 2¹⁶ = 89000834563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89000900069) 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, 10513484 + ... + 10521945.

It is an arithmetic number, because the mean of its divisors is an integer number (22255484940).

Almost surely, 2^89000900099 is an apocalyptic number.

89000900099 is a deficient number, since it is larger than the sum of its proper divisors (21039661).

89000900099 is a wasteful number, since it uses less digits than its factorization.

89000900099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21039660.

The product of its (nonzero) digits is 52488, while the sum is 44.

Subtracting 89000900099 from its reverse (99000900098), we obtain a palindrome (9999999999).

The spelling of 89000900099 in words is "eighty-nine billion, nine hundred thousand, ninety-nine".