7688386967 has 4 divisors (see below), whose sum is σ = 7688611560. Its totient is φ = 7688162376.

The previous prime is 7688386961. The next prime is 7688387009. The reversal of 7688386967 is 7696838867.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7688386967 - 2²⁰ = 7687338391 is a prime.

It is a super-2 number, since 2×7688386967² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7688386897 and 7688386906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7688386961) 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, 49088 + ... + 133365.

It is an arithmetic number, because the mean of its divisors is an integer number (1922152890).

Almost surely, 2^7688386967 is an apocalyptic number.

7688386967 is a deficient number, since it is larger than the sum of its proper divisors (224593).

7688386967 is a wasteful number, since it uses less digits than its factorization.

7688386967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224592.

The product of its digits is 146313216, while the sum is 68.

The square root of 7688386967 is about 87683.4475086376. The cubic root of 7688386967 is about 1973.6875939953.

The spelling of 7688386967 in words is "seven billion, six hundred eighty-eight million, three hundred eighty-six thousand, nine hundred sixty-seven".