98136797920 has 96 divisors (see below), whose sum is σ = 265075892928. Its totient is φ = 33633374208.

The previous prime is 98136797887. The next prime is 98136797947. The reversal of 98136797920 is 2979763189.

98136797920 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×98136797920² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2999892 + ... + 3032428.

It is an arithmetic number, because the mean of its divisors is an integer number (2761207218).

Almost surely, 2^98136797920 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 98136797920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132537946464).

98136797920 is an abundant number, since it is smaller than the sum of its proper divisors (166939095008).

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

98136797920 is a wasteful number, since it uses less digits than its factorization.

98136797920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35252 (or 35244 counting only the distinct ones).

The product of its (nonzero) digits is 10287648, while the sum is 61.

The spelling of 98136797920 in words is "ninety-eight billion, one hundred thirty-six million, seven hundred ninety-seven thousand, nine hundred twenty".