988589985889 has 16 divisors (see below), whose sum is σ = 1101462126336. Its totient is φ = 879553120000.

The previous prime is 988589985847. The next prime is 988589985913.

988589985889 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 988589985889 - 2²³ = 988581597281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 988589985797 and 988589985806.

It is not an unprimeable number, because it can be changed into a prime (988589988889) 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, 15219609 + ... + 15284425.

It is an arithmetic number, because the mean of its divisors is an integer number (68841382896).

Almost surely, 2^988589985889 is an apocalyptic number.

It is an amenable number.

988589985889 is a deficient number, since it is larger than the sum of its proper divisors (112872140447).

988589985889 is a wasteful number, since it uses less digits than its factorization.

988589985889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94376.

The product of its digits is 42998169600, while the sum is 94.

The spelling of 988589985889 in words is "nine hundred eighty-eight billion, five hundred eighty-nine million, nine hundred eighty-five thousand, eight hundred eighty-nine".