98117854464 has 144 divisors (see below), whose sum is σ = 298621532160. Its totient is φ = 28016793600.

The previous prime is 98117854423. The next prime is 98117854489. The reversal of 98117854464 is 46445871189.

It is a super-2 number, since 2×98117854464² (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, 10957189 + ... + 10966139.

It is an arithmetic number, because the mean of its divisors is an integer number (2073760640).

Almost surely, 2^98117854464 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 98117854464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149310766080).

98117854464 is an abundant number, since it is smaller than the sum of its proper divisors (200503677696).

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

98117854464 is a wasteful number, since it uses less digits than its factorization.

98117854464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11016 (or 11002 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 57.

The spelling of 98117854464 in words is "ninety-eight billion, one hundred seventeen million, eight hundred fifty-four thousand, four hundred sixty-four".