8604728125 has 48 divisors (see below), whose sum is σ = 12689187840. Its totient is φ = 5709600000.

The previous prime is 8604728107. The next prime is 8604728129. The reversal of 8604728125 is 5218274068.

It is a happy number.

It is not a de Polignac number, because 8604728125 - 2²¹ = 8602630973 is a prime.

It is a super-2 number, since 2×8604728125² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8604728129) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 671781 + ... + 684469.

It is an arithmetic number, because the mean of its divisors is an integer number (264358080).

Almost surely, 2^8604728125 is an apocalyptic number.

It is an amenable number.

8604728125 is a deficient number, since it is larger than the sum of its proper divisors (4084459715).

8604728125 is an equidigital number, since it uses as much as digits as its factorization.

8604728125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12752 (or 12732 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 8604728125 is about 92761.6737936525. The cubic root of 8604728125 is about 2049.1750100988.

The spelling of 8604728125 in words is "eight billion, six hundred four million, seven hundred twenty-eight thousand, one hundred twenty-five".