7685327565 has 12 divisors (see below), whose sum is σ = 13321234524. Its totient is φ = 4098841344.

The previous prime is 7685327563. The next prime is 7685327569. The reversal of 7685327565 is 5657235867.

7685327565 is a `hidden beast` number, since 7 + 6 + 8 + 53 + 27 + 565 = 666.

7685327565 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2766970404 + 4918357161 = 52602^2 + 70131^2 .

It is not a de Polignac number, because 7685327565 - 2¹ = 7685327563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7685327563) 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, 85392484 + ... + 85392573.

It is an arithmetic number, because the mean of its divisors is an integer number (1110102877).

Almost surely, 2^7685327565 is an apocalyptic number.

It is an amenable number.

7685327565 is a deficient number, since it is larger than the sum of its proper divisors (5635906959).

7685327565 is a wasteful number, since it uses less digits than its factorization.

7685327565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170785068 (or 170785065 counting only the distinct ones).

The product of its digits is 10584000, while the sum is 54.

The square root of 7685327565 is about 87666.0000513312. Note that the first 4 decimals coincide. The cubic root of 7685327565 is about 1973.4257659983.

The spelling of 7685327565 in words is "seven billion, six hundred eighty-five million, three hundred twenty-seven thousand, five hundred sixty-five".