7685705517 has 12 divisors (see below), whose sum is σ = 11920686336. Its totient is φ = 4391831640.

The previous prime is 7685705497. The next prime is 7685705519. The reversal of 7685705517 is 7155075867.

It is not a de Polignac number, because 7685705517 - 2¹⁶ = 7685639981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7685705517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7685705519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26141709 + ... + 26142002.

It is an arithmetic number, because the mean of its divisors is an integer number (993390528).

Almost surely, 2^7685705517 is an apocalyptic number.

It is an amenable number.

7685705517 is a deficient number, since it is larger than the sum of its proper divisors (4234980819).

7685705517 is a wasteful number, since it uses less digits than its factorization.

7685705517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52283728 (or 52283721 counting only the distinct ones).

The product of its (nonzero) digits is 2058000, while the sum is 51.

The square root of 7685705517 is about 87668.1556609924. The cubic root of 7685705517 is about 1973.4581154322.

The spelling of 7685705517 in words is "seven billion, six hundred eighty-five million, seven hundred five thousand, five hundred seventeen".