988732691712 has 54 divisors (see below), whose sum is σ = 2850760106922. Its totient is φ = 329577563136.

The previous prime is 988732691693. The next prime is 988732691717. The reversal of 988732691712 is 217196237889.

It can be written as a sum of positive squares in only one way, i.e., 987908772096 + 823919616 = 993936^2 + 28704^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 988732691712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988732691717) by changing a digit.

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, 214566423 + ... + 214571030.

Almost surely, 2^988732691712 is an apocalyptic number.

It is an amenable number.

988732691712 is an abundant number, since it is smaller than the sum of its proper divisors (1862027415210).

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

988732691712 is a wasteful number, since it uses less digits than its factorization.

988732691712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429137475 (or 429137458 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 63.

The spelling of 988732691712 in words is "nine hundred eighty-eight billion, seven hundred thirty-two million, six hundred ninety-one thousand, seven hundred twelve".