98821753140 has 384 divisors, whose sum is σ = 323574289920. Its totient is φ = 22308249600.

The previous prime is 98821753139. The next prime is 98821753187. The reversal of 98821753140 is 4135712889.

It is a self number, because there is not a number n which added to its sum of digits gives 98821753140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 61878822 + ... + 61880418.

It is an arithmetic number, because the mean of its divisors is an integer number (842641380).

Almost surely, 2^98821753140 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 98821753140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161787144960).

98821753140 is an abundant number, since it is smaller than the sum of its proper divisors (224752536780).

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

98821753140 is a wasteful number, since it uses less digits than its factorization.

98821753140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763 (or 1761 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 98821753140 in words is "ninety-eight billion, eight hundred twenty-one million, seven hundred fifty-three thousand, one hundred forty".