988811712 has 336 divisors, whose sum is σ = 3479304192. Its totient is φ = 272471040.

The previous prime is 988811693. The next prime is 988811723. The reversal of 988811712 is 217118889.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (336).

It is a nude number because it is divisible by every one of its digits.

Its product of digits (64512) is a multiple of the sum of its prime divisors (336).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3374638 + ... + 3374930.

It is an arithmetic number, because the mean of its divisors is an integer number (10355072).

Almost surely, 2^988811712 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 988811712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1739652096).

988811712 is an abundant number, since it is smaller than the sum of its proper divisors (2490492480).

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

988811712 is a wasteful number, since it uses less digits than its factorization.

988811712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 336 counting only the distinct ones).

The product of its digits is 64512, while the sum is 45.

The square root of 988811712 is about 31445.3766394998. The cubic root of 988811712 is about 996.2565749212.

The spelling of 988811712 in words is "nine hundred eighty-eight million, eight hundred eleven thousand, seven hundred twelve".