98506737520 has 80 divisors (see below), whose sum is σ = 231535975392. Its totient is φ = 38972702720.

The previous prime is 98506737503. The next prime is 98506737547. The reversal of 98506737520 is 2573760589.

It is a tau number, because it is divible by the number of its divisors (80).

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, 4427544 + ... + 4449736.

Almost surely, 2^98506737520 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 98506737520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115767987696).

98506737520 is an abundant number, since it is smaller than the sum of its proper divisors (133029237872).

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

98506737520 is a wasteful number, since it uses less digits than its factorization.

98506737520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22810 (or 22804 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 52.

The spelling of 98506737520 in words is "ninety-eight billion, five hundred six million, seven hundred thirty-seven thousand, five hundred twenty".