8709565425 has 48 divisors (see below), whose sum is σ = 16092095040. Its totient is φ = 4119808000.

The previous prime is 8709565399. The next prime is 8709565433. The reversal of 8709565425 is 5245659078.

It is not a de Polignac number, because 8709565425 - 2⁵ = 8709565393 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94920 + ... + 162569.

It is an arithmetic number, because the mean of its divisors is an integer number (335251980).

Almost surely, 2^8709565425 is an apocalyptic number.

It is an amenable number.

8709565425 is a deficient number, since it is larger than the sum of its proper divisors (7382529615).

8709565425 is a wasteful number, since it uses less digits than its factorization.

8709565425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257554 (or 257549 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 51.

The square root of 8709565425 is about 93325.0525046731. The cubic root of 8709565425 is about 2057.4636066530.

The spelling of 8709565425 in words is "eight billion, seven hundred nine million, five hundred sixty-five thousand, four hundred twenty-five".