89934012099 has 32 divisors (see below), whose sum is σ = 138190233600. Its totient is φ = 57737221920.

The previous prime is 89934012089. The next prime is 89934012139. The reversal of 89934012099 is 99021043998.

89934012099 is a `hidden beast` number, since 8 + 99 + 340 + 1 + 209 + 9 = 666.

It is a Cunningham number, because it is equal to 299890²-1.

It is not a de Polignac number, because 89934012099 - 2⁵ = 89934012067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89934012089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149944 + ... + 449834.

It is an arithmetic number, because the mean of its divisors is an integer number (4318444800).

Almost surely, 2^89934012099 is an apocalyptic number.

89934012099 is a deficient number, since it is larger than the sum of its proper divisors (48256221501).

89934012099 is a wasteful number, since it uses less digits than its factorization.

89934012099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300312 (or 300306 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 54.

The spelling of 89934012099 in words is "eighty-nine billion, nine hundred thirty-four million, twelve thousand, ninety-nine".