98909991936 has 792 divisors, whose sum is σ = 353845402560. Its totient is φ = 26477789184.

The previous prime is 98909991857. The next prime is 98909991937. The reversal of 98909991936 is 63919990989.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98909991937) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 924392395 + ... + 924392501.

Almost surely, 2^98909991936 is an apocalyptic number.

98909991936 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 98909991936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176922701280).

98909991936 is an abundant number, since it is smaller than the sum of its proper divisors (254935410624).

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

98909991936 is a wasteful number, since it uses less digits than its factorization.

98909991936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 76527504, while the sum is 72.

The spelling of 98909991936 in words is "ninety-eight billion, nine hundred nine million, nine hundred ninety-one thousand, nine hundred thirty-six".