98006979840 has 432 divisors, whose sum is σ = 393215432064. Its totient is φ = 20364410880.

The previous prime is 98006979821. The next prime is 98006979883. The reversal of 98006979840 is 4897960089.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 3237414 + ... + 3267546.

Almost surely, 2^98006979840 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 98006979840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196607716032).

98006979840 is an abundant number, since it is smaller than the sum of its proper divisors (295208452224).

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

98006979840 is a wasteful number, since it uses less digits than its factorization.

98006979840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30186 (or 30161 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 60.

The spelling of 98006979840 in words is "ninety-eight billion, six million, nine hundred seventy-nine thousand, eight hundred forty".