988818110892 has 384 divisors, whose sum is σ = 2788853760000. Its totient is φ = 302043665664.

The previous prime is 988818110837. The next prime is 988818110899. The reversal of 988818110892 is 298011818889.

It is a super-2 number, since 2×988818110892² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (988818110899) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1890665343 + ... + 1890665865.

It is an arithmetic number, because the mean of its divisors is an integer number (7262640000).

Almost surely, 2^988818110892 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 988818110892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1394426880000).

988818110892 is an abundant number, since it is smaller than the sum of its proper divisors (1800035649108).

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

988818110892 is a wasteful number, since it uses less digits than its factorization.

988818110892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850 (or 842 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 63.

The spelling of 988818110892 in words is "nine hundred eighty-eight billion, eight hundred eighteen million, one hundred ten thousand, eight hundred ninety-two".