988494888494889 has 64 divisors (see below), whose sum is σ = 1495384089696000. Its totient is φ = 645203068932096.

The previous prime is 988494888494887. The next prime is 988494888494941.

It is a happy number.

988494888494889 is a `hidden beast` number, since 9 + 8 + 8 + 4 + 94 + 8 + 8 + 8 + 494 + 8 + 8 + 9 = 666.

988494888494889 is nontrivially palindromic in base 10.

988494888494889 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 988494888494889 - 2¹ = 988494888494887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (988494888494887) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13041996177 + ... + 13042071969.

It is an arithmetic number, because the mean of its divisors is an integer number (23365376401500).

Almost surely, 2^{988494888494889} is an apocalyptic number.

It is an amenable number.

988494888494889 is a deficient number, since it is larger than the sum of its proper divisors (506889201201111).

988494888494889 is a wasteful number, since it uses less digits than its factorization.

988494888494889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124311 (or 124305 counting only the distinct ones).

The product of its digits is 3522410053632, while the sum is 108.

The spelling of 988494888494889 in words is "nine hundred eighty-eight trillion, four hundred ninety-four billion, eight hundred eighty-eight million, four hundred ninety-four thousand, eight hundred eighty-nine".