8205760725 has 12 divisors (see below), whose sum is σ = 13566857856. Its totient is φ = 4376405680.

The previous prime is 8205760723. The next prime is 8205760727. The reversal of 8205760725 is 5270675028.

It is an interprime number because it is at equal distance from previous prime (8205760723) and next prime (8205760727).

It is not a de Polignac number, because 8205760725 - 2¹ = 8205760723 is a prime.

It is a super-4 number, since 4×8205760725⁴ (a number of 41 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8205760723) 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, 54704997 + ... + 54705146.

It is an arithmetic number, because the mean of its divisors is an integer number (1130571488).

Almost surely, 2^8205760725 is an apocalyptic number.

It is an amenable number.

8205760725 is a deficient number, since it is larger than the sum of its proper divisors (5361097131).

8205760725 is a wasteful number, since it uses less digits than its factorization.

8205760725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109410156 (or 109410151 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 42.

The square root of 8205760725 is about 90585.6540794402. The cubic root of 8205760725 is about 2017.0017871543.

The spelling of 8205760725 in words is "eight billion, two hundred five million, seven hundred sixty thousand, seven hundred twenty-five".