984988967172 has 96 divisors (see below), whose sum is σ = 2769157601280. Its totient is φ = 266201199360.

The previous prime is 984988967147. The next prime is 984988967203. The reversal of 984988967172 is 271769889489.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 555672 + ... + 1509552.

It is an arithmetic number, because the mean of its divisors is an integer number (28845391680).

Almost surely, 2^984988967172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 984988967172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1384578800640).

984988967172 is an abundant number, since it is smaller than the sum of its proper divisors (1784168634108).

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

984988967172 is a wasteful number, since it uses less digits than its factorization.

984988967172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954561 (or 954559 counting only the distinct ones).

The product of its digits is 877879296, while the sum is 78.

The spelling of 984988967172 in words is "nine hundred eighty-four billion, nine hundred eighty-eight million, nine hundred sixty-seven thousand, one hundred seventy-two".