8709525120 has 128 divisors (see below), whose sum is σ = 27796011840. Its totient is φ = 2319663104.

The previous prime is 8709525061. The next prime is 8709525151. The reversal of 8709525120 is 215259078.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×8709525120² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1873519 + ... + 1878161.

Almost surely, 2^8709525120 is an apocalyptic number.

8709525120 is a gapful number since it is divisible by the number (80) 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 8709525120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13898005920).

8709525120 is an abundant number, since it is smaller than the sum of its proper divisors (19086486720).

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

8709525120 is a wasteful number, since it uses less digits than its factorization.

8709525120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5642 (or 5630 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 8709525120 is about 93324.8365656217. The cubic root of 8709525120 is about 2057.4604328935.

The spelling of 8709525120 in words is "eight billion, seven hundred nine million, five hundred twenty-five thousand, one hundred twenty".