7696585681 has 4 divisors (see below), whose sum is σ = 7702995364. Its totient is φ = 7690176000.

The previous prime is 7696585643. The next prime is 7696585709. The reversal of 7696585681 is 1865856967.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1865856967 = 13 ⋅143527459.

It can be written as a sum of positive squares in 2 ways, for example, as 3273670656 + 4422915025 = 57216^2 + 66505^2 .

It is a cyclic number.

It is not a de Polignac number, because 7696585681 - 2¹³ = 7696577489 is a prime.

It is a super-2 number, since 2×7696585681² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7696580681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3203040 + ... + 3205441.

It is an arithmetic number, because the mean of its divisors is an integer number (1925748841).

Almost surely, 2^7696585681 is an apocalyptic number.

It is an amenable number.

7696585681 is a deficient number, since it is larger than the sum of its proper divisors (6409683).

7696585681 is a wasteful number, since it uses less digits than its factorization.

7696585681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6409682.

The product of its digits is 21772800, while the sum is 61.

The square root of 7696585681 is about 87730.1868287079. The cubic root of 7696585681 is about 1974.3889093538.

The spelling of 7696585681 in words is "seven billion, six hundred ninety-six million, five hundred eighty-five thousand, six hundred eighty-one".