988147689912 has 24 divisors (see below), whose sum is σ = 2676233327040. Its totient is φ = 329382563280.

The previous prime is 988147689901. The next prime is 988147689941. The reversal of 988147689912 is 219986741889.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (72), and also a Moran number because the ratio is a prime number: 13724273471 = 988147689912 / (9 + 8 + 8 + 1 + 4 + 7 + 6 + 8 + 9 + 9 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6862136664 + ... + 6862136807.

It is an arithmetic number, because the mean of its divisors is an integer number (111509721960).

Almost surely, 2^988147689912 is an apocalyptic number.

It is an amenable number.

988147689912 is an abundant number, since it is smaller than the sum of its proper divisors (1688085637128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

988147689912 is a wasteful number, since it uses less digits than its factorization.

988147689912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13724273483 (or 13724273476 counting only the distinct ones).

The product of its digits is 125411328, while the sum is 72.

The spelling of 988147689912 in words is "nine hundred eighty-eight billion, one hundred forty-seven million, six hundred eighty-nine thousand, nine hundred twelve".