9578713825 has 12 divisors (see below), whose sum is σ = 11897452800. Its totient is φ = 7650166160.

The previous prime is 9578713817. The next prime is 9578713829. The reversal of 9578713825 is 5283178759.

It is not a de Polignac number, because 9578713825 - 2³ = 9578713817 is a prime.

It is a super-2 number, since 2×9578713825² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9578713829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 304849 + ... + 334798.

It is an arithmetic number, because the mean of its divisors is an integer number (991454400).

Almost surely, 2^9578713825 is an apocalyptic number.

It is an amenable number.

9578713825 is a deficient number, since it is larger than the sum of its proper divisors (2318738975).

9578713825 is a wasteful number, since it uses less digits than its factorization.

9578713825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640256 (or 640251 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 55.

The square root of 9578713825 is about 97870.9038734189. The cubic root of 9578713825 is about 2123.7451470205.

The spelling of 9578713825 in words is "nine billion, five hundred seventy-eight million, seven hundred thirteen thousand, eight hundred twenty-five".