9823786725 has 12 divisors (see below), whose sum is σ = 16241994176. Its totient is φ = 5239352880.

The previous prime is 9823786711. The next prime is 9823786727. The reversal of 9823786725 is 5276873289.

It is not a de Polignac number, because 9823786725 - 2⁷ = 9823786597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9823786727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65491837 + ... + 65491986.

Almost surely, 2^9823786725 is an apocalyptic number.

It is an amenable number.

9823786725 is a deficient number, since it is larger than the sum of its proper divisors (6418207451).

9823786725 is a wasteful number, since it uses less digits than its factorization.

9823786725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130983836 (or 130983831 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 57.

The square root of 9823786725 is about 99115.0176562563. The cubic root of 9823786725 is about 2141.7049566114.

The spelling of 9823786725 in words is "nine billion, eight hundred twenty-three million, seven hundred eighty-six thousand, seven hundred twenty-five".