9988590958899 has 16 divisors (see below), whose sum is σ = 15220850327808. Its totient is φ = 5707713651552.

The previous prime is 9988590958883. The next prime is 9988590958943.

9988590958899 is nontrivially palindromic in base 10.

9988590958899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9988590958899 - 2⁴ = 9988590958883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9988590957899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201204 + ... + 4474110.

It is an arithmetic number, because the mean of its divisors is an integer number (951303145488).

Almost surely, 2^{9988590958899} is an apocalyptic number.

9988590958899 is a deficient number, since it is larger than the sum of its proper divisors (5232259368909).

9988590958899 is a wasteful number, since it uses less digits than its factorization.

9988590958899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4384234.

The product of its (nonzero) digits is 54419558400, while the sum is 96.

The spelling of 9988590958899 in words is "nine trillion, nine hundred eighty-eight billion, five hundred ninety million, nine hundred fifty-eight thousand, eight hundred ninety-nine".