9925665300 has 108 divisors (see below), whose sum is σ = 31160935260. Its totient is φ = 2642634240.

The previous prime is 9925665293. The next prime is 9925665311. The reversal of 9925665300 is 35665299.

9925665300 is a `hidden beast` number, since 99 + 25 + 6 + 6 + 530 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 3008083716 + 6917581584 = 54846^2 + 83172^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 579256 + ... + 596144.

Almost surely, 2^9925665300 is an apocalyptic number.

9925665300 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 9925665300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15580467630).

9925665300 is an abundant number, since it is smaller than the sum of its proper divisors (21235269960).

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

9925665300 is a wasteful number, since it uses less digits than its factorization.

9925665300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17562 (or 17552 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 45.

The square root of 9925665300 is about 99627.6332148867. The cubic root of 9925665300 is about 2149.0830992039.

The spelling of 9925665300 in words is "nine billion, nine hundred twenty-five million, six hundred sixty-five thousand, three hundred".