98197107840 has 1024 divisors, whose sum is σ = 394813440000. Its totient is φ = 22899179520.

The previous prime is 98197107829. The next prime is 98197107859. The reversal of 98197107840 is 4870179189.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 410866441 + ... + 410866679.

It is an arithmetic number, because the mean of its divisors is an integer number (385560000).

Almost surely, 2^98197107840 is an apocalyptic number.

98197107840 is a gapful number since it is divisible by the number (90) 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 98197107840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197406720000).

98197107840 is an abundant number, since it is smaller than the sum of its proper divisors (296616332160).

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

98197107840 is a wasteful number, since it uses less digits than its factorization.

98197107840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 54.

The spelling of 98197107840 in words is "ninety-eight billion, one hundred ninety-seven million, one hundred seven thousand, eight hundred forty".