7688668867 has 8 divisors (see below), whose sum is σ = 8389100592. Its totient is φ = 6988480800.

The previous prime is 7688668859. The next prime is 7688668937.

7688668867 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7688668867 - 2³ = 7688668859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7688668796 and 7688668805.

It is not an unprimeable number, because it can be changed into a prime (7688668837) 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 7 ways as a sum of consecutive naturals, for example, 8517 + ... + 124297.

It is an arithmetic number, because the mean of its divisors is an integer number (1048637574).

Almost surely, 2^7688668867 is an apocalyptic number.

7688668867 is a deficient number, since it is larger than the sum of its proper divisors (700431725).

7688668867 is a wasteful number, since it uses less digits than its factorization.

7688668867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121829.

The product of its digits is 260112384, while the sum is 70.

The square root of 7688668867 is about 87685.0549808803. The cubic root of 7688668867 is about 1973.7117159052.

The spelling of 7688668867 in words is "seven billion, six hundred eighty-eight million, six hundred sixty-eight thousand, eight hundred sixty-seven".