7685318085 has 16 divisors (see below), whose sum is σ = 12313302144. Its totient is φ = 4093238592.

The previous prime is 7685318077. The next prime is 7685318087. The reversal of 7685318085 is 5808135867.

It is not a de Polignac number, because 7685318085 - 2³ = 7685318077 is a prime.

It is a super-2 number, since 2×7685318085² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7685318087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338497 + ... + 360486.

It is an arithmetic number, because the mean of its divisors is an integer number (769581384).

Almost surely, 2^7685318085 is an apocalyptic number.

It is an amenable number.

7685318085 is a deficient number, since it is larger than the sum of its proper divisors (4627984059).

7685318085 is a wasteful number, since it uses less digits than its factorization.

7685318085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699724.

The product of its (nonzero) digits is 1612800, while the sum is 51.

The square root of 7685318085 is about 87665.9459824623. The cubic root of 7685318085 is about 1973.4249545783.

The spelling of 7685318085 in words is "seven billion, six hundred eighty-five million, three hundred eighteen thousand, eighty-five".