8938066500 has 240 divisors, whose sum is σ = 31813157376. Its totient is φ = 2166696000.

The previous prime is 8938066477. The next prime is 8938066561. The reversal of 8938066500 is 56608398.

8938066500 is a `hidden beast` number, since 8 + 9 + 3 + 80 + 66 + 500 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 435469 + ... + 455531.

Almost surely, 2^8938066500 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 8938066500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15906578688).

8938066500 is an abundant number, since it is smaller than the sum of its proper divisors (22875090876).

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

8938066500 is a wasteful number, since it uses less digits than its factorization.

8938066500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20105 (or 20084 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 8938066500 is about 94541.3480970099. The cubic root of 8938066500 is about 2075.3014706898.

The spelling of 8938066500 in words is "eight billion, nine hundred thirty-eight million, sixty-six thousand, five hundred".