7688418669 has 24 divisors (see below), whose sum is σ = 11530559040. Its totient is φ = 5119492896.

The previous prime is 7688418649. The next prime is 7688418671. The reversal of 7688418669 is 9668148867.

It is not a de Polignac number, because 7688418669 - 2¹⁶ = 7688353133 is a prime.

It is a super-2 number, since 2×7688418669² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7688418649) 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 23 ways as a sum of consecutive naturals, for example, 189792 + ... + 226710.

It is an arithmetic number, because the mean of its divisors is an integer number (480439960).

Almost surely, 2^7688418669 is an apocalyptic number.

It is an amenable number.

7688418669 is a deficient number, since it is larger than the sum of its proper divisors (3842140371).

7688418669 is an equidigital number, since it uses as much as digits as its factorization.

7688418669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37791 (or 37779 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 63.

The square root of 7688418669 is about 87683.6282837338. The cubic root of 7688418669 is about 1973.6903067342.

The spelling of 7688418669 in words is "seven billion, six hundred eighty-eight million, four hundred eighteen thousand, six hundred sixty-nine".