97824021500 has 48 divisors (see below), whose sum is σ = 213845399040. Its totient is φ = 39093393600.

The previous prime is 97824021461. The next prime is 97824021511. The reversal of 97824021500 is 512042879.

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, 453506 + ... + 633494.

It is an arithmetic number, because the mean of its divisors is an integer number (4455112480).

Almost surely, 2^97824021500 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 97824021500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106922699520).

97824021500 is an abundant number, since it is smaller than the sum of its proper divisors (116021377540).

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

97824021500 is a wasteful number, since it uses less digits than its factorization.

97824021500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181095 (or 181083 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 97824021500 in words is "ninety-seven billion, eight hundred twenty-four million, twenty-one thousand, five hundred".