8028117500 has 120 divisors (see below), whose sum is σ = 19902941520. Its totient is φ = 2808000000.

The previous prime is 8028117479. The next prime is 8028117509. The reversal of 8028117500 is 57118208.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8028117509) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 611000 + ... + 624000.

It is an arithmetic number, because the mean of its divisors is an integer number (165857846).

Almost surely, 2^8028117500 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 8028117500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9951470760).

8028117500 is an abundant number, since it is smaller than the sum of its proper divisors (11874824020).

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

8028117500 is a wasteful number, since it uses less digits than its factorization.

8028117500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13057 (or 13040 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 8028117500 is about 89599.7628345075. The cubic root of 8028117500 is about 2002.3403852302.

The spelling of 8028117500 in words is "eight billion, twenty-eight million, one hundred seventeen thousand, five hundred".