8538225500 has 144 divisors (see below), whose sum is σ = 21901422816. Its totient is φ = 2899142400.

The previous prime is 8538225497. The next prime is 8538225541. The reversal of 8538225500 is 55228358.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2619872 + ... + 2623128.

It is an arithmetic number, because the mean of its divisors is an integer number (152093214).

Almost surely, 2^8538225500 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 8538225500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10950711408).

8538225500 is an abundant number, since it is smaller than the sum of its proper divisors (13363197316).

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

8538225500 is a wasteful number, since it uses less digits than its factorization.

8538225500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3397 (or 3378 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 38.

The square root of 8538225500 is about 92402.5189050602. The cubic root of 8538225500 is about 2043.8822569319.

The spelling of 8538225500 in words is "eight billion, five hundred thirty-eight million, two hundred twenty-five thousand, five hundred".