988888824 has 160 divisors (see below), whose sum is σ = 3453436800. Its totient is φ = 256841280.

The previous prime is 988888807. The next prime is 988888829. The reversal of 988888824 is 428888889.

It is a super-2 number, since 2×988888824² = 1955802212464205952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988888829) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 39987 + ... + 59805.

It is an arithmetic number, because the mean of its divisors is an integer number (21583980).

Almost surely, 2^988888824 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 988888824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1726718400).

988888824 is an abundant number, since it is smaller than the sum of its proper divisors (2464547976).

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

988888824 is a wasteful number, since it uses less digits than its factorization.

988888824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19855 (or 19842 counting only the distinct ones).

The product of its digits is 18874368, while the sum is 63.

The square root of 988888824 is about 31446.6027417907. The cubic root of 988888824 is about 996.2824717760.

The spelling of 988888824 in words is "nine hundred eighty-eight million, eight hundred eighty-eight thousand, eight hundred twenty-four".