98715905280 has 360 divisors, whose sum is σ = 362784241512. Its totient is φ = 25611780096.

The previous prime is 98715905279. The next prime is 98715905329. The reversal of 98715905280 is 8250951789.

It can be written as a sum of positive squares in 4 ways, for example, as 7791945984 + 90923959296 = 88272^2 + 301536^2 .

It is a tau number, because it is divible by the number of its divisors (360).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3823294 + ... + 3849026.

Almost surely, 2^98715905280 is an apocalyptic number.

98715905280 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 98715905280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181392120756).

98715905280 is an abundant number, since it is smaller than the sum of its proper divisors (264068336232).

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

98715905280 is a wasteful number, since it uses less digits than its factorization.

98715905280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25803 (or 25780 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 54.

The spelling of 98715905280 in words is "ninety-eight billion, seven hundred fifteen million, nine hundred five thousand, two hundred eighty".