98809659936 has 216 divisors, whose sum is σ = 307418709780. Its totient is φ = 30088101888.

The previous prime is 98809659919. The next prime is 98809659989. The reversal of 98809659936 is 63995690889.

It can be written as a sum of positive squares in 6 ways, for example, as 14582011536 + 84227648400 = 120756^2 + 290220^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4710720 + ... + 4731648.

Almost surely, 2^98809659936 is an apocalyptic number.

98809659936 is a gapful number since it is divisible by the number (96) 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 98809659936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153709354890).

98809659936 is an abundant number, since it is smaller than the sum of its proper divisors (208609049844).

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

98809659936 is a wasteful number, since it uses less digits than its factorization.

98809659936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21068 (or 21044 counting only the distinct ones).

The product of its (nonzero) digits is 226748160, while the sum is 72.

The spelling of 98809659936 in words is "ninety-eight billion, eight hundred nine million, six hundred fifty-nine thousand, nine hundred thirty-six".