98796997440 has 168 divisors, whose sum is σ = 349005220200. Its totient is φ = 25633787904.

The previous prime is 98796997379. The next prime is 98796997441. The reversal of 98796997440 is 4479969789.

98796997440 is a `hidden beast` number, since 9 + 8 + 7 + 96 + 9 + 97 + 440 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 48689070336 + 50107927104 = 220656^2 + 223848^2 .

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 (98796997441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 357015 + ... + 570134.

It is an arithmetic number, because the mean of its divisors is an integer number (2077412025).

Almost surely, 2^98796997440 is an apocalyptic number.

98796997440 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

98796997440 is an abundant number, since it is smaller than the sum of its proper divisors (250208222760).

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

98796997440 is a wasteful number, since it uses less digits than its factorization.

98796997440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927209 (or 927196 counting only the distinct ones).

The product of its (nonzero) digits is 246903552, while the sum is 72.

The spelling of 98796997440 in words is "ninety-eight billion, seven hundred ninety-six million, nine hundred ninety-seven thousand, four hundred forty".