988545545889 has 8 divisors (see below), whose sum is σ = 1437884430432. Its totient is φ = 599118512640.

The previous prime is 988545545887. The next prime is 988545545941.

988545545889 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 988545545889 - 2¹ = 988545545887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (988545545887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14977962784 + ... + 14977962849.

It is an arithmetic number, because the mean of its divisors is an integer number (179735553804).

Almost surely, 2^988545545889 is an apocalyptic number.

It is an amenable number.

988545545889 is a deficient number, since it is larger than the sum of its proper divisors (449338884543).

988545545889 is a wasteful number, since it uses less digits than its factorization.

988545545889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29955925647.

The product of its digits is 3317760000, while the sum is 78.

The spelling of 988545545889 in words is "nine hundred eighty-eight billion, five hundred forty-five million, five hundred forty-five thousand, eight hundred eighty-nine".