8459709725 has 12 divisors (see below), whose sum is σ = 10533938880. Its totient is φ = 6739446000.

The previous prime is 8459709673. The next prime is 8459709761. The reversal of 8459709725 is 5279079548.

8459709725 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8459709725 - 2⁸ = 8459709469 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 701951 + ... + 713900.

It is an arithmetic number, because the mean of its divisors is an integer number (877828240).

Almost surely, 2^8459709725 is an apocalyptic number.

It is an amenable number.

8459709725 is a deficient number, since it is larger than the sum of its proper divisors (2074229155).

8459709725 is a wasteful number, since it uses less digits than its factorization.

8459709725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416100 (or 1416095 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 56.

The square root of 8459709725 is about 91976.6803325713. The cubic root of 8459709725 is about 2037.5979131689.

The spelling of 8459709725 in words is "eight billion, four hundred fifty-nine million, seven hundred nine thousand, seven hundred twenty-five".