8353975728 has 160 divisors (see below), whose sum is σ = 26567442432. Its totient is φ = 2209363200.

The previous prime is 8353975687. The next prime is 8353975753. The reversal of 8353975728 is 8275793538.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 222133 + ... + 257003.

Almost surely, 2^8353975728 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 8353975728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13283721216).

8353975728 is an abundant number, since it is smaller than the sum of its proper divisors (18213466704).

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

8353975728 is a wasteful number, since it uses less digits than its factorization.

8353975728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34943 (or 34937 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 57.

The square root of 8353975728 is about 91400.0860393468. The cubic root of 8353975728 is about 2029.0733010492.

The spelling of 8353975728 in words is "eight billion, three hundred fifty-three million, nine hundred seventy-five thousand, seven hundred twenty-eight".