98799493408 has 144 divisors (see below), whose sum is σ = 247046436000. Its totient is φ = 38460871680.

The previous prime is 98799493369. The next prime is 98799493417. The reversal of 98799493408 is 80439499789.

It is a super-2 number, since 2×98799493408² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36202188 + ... + 36204916.

It is an arithmetic number, because the mean of its divisors is an integer number (1715600250).

Almost surely, 2^98799493408 is an apocalyptic number.

98799493408 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98799493408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123523218000).

98799493408 is an abundant number, since it is smaller than the sum of its proper divisors (148246942592).

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

98799493408 is a wasteful number, since it uses less digits than its factorization.

98799493408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4863 (or 4848 counting only the distinct ones).

The product of its (nonzero) digits is 141087744, while the sum is 70.

The spelling of 98799493408 in words is "ninety-eight billion, seven hundred ninety-nine million, four hundred ninety-three thousand, four hundred eight".