998299461888 has 576 divisors, whose sum is σ = 3107371868160. Its totient is φ = 315767808000.

The previous prime is 998299461877. The next prime is 998299461893. The reversal of 998299461888 is 888164992899.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (576).

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

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 3527559795 + ... + 3527560077.

Almost surely, 2^998299461888 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 998299461888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1553685934080).

998299461888 is an abundant number, since it is smaller than the sum of its proper divisors (2109072406272).

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

998299461888 is a wasteful number, since it uses less digits than its factorization.

998299461888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603 (or 583 counting only the distinct ones).

The product of its digits is 1289945088, while the sum is 81.

The spelling of 998299461888 in words is "nine hundred ninety-eight billion, two hundred ninety-nine million, four hundred sixty-one thousand, eight hundred eighty-eight".