7668448667 has 4 divisors (see below), whose sum is σ = 8365580376. Its totient is φ = 6971316960.

The previous prime is 7668448603. The next prime is 7668448673.

7668448667 is nontrivially palindromic in base 10.

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 7668448667 - 2⁶ = 7668448603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7668648667) 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, 348565838 + ... + 348565859.

It is an arithmetic number, because the mean of its divisors is an integer number (2091395094).

Almost surely, 2^7668448667 is an apocalyptic number.

7668448667 is a deficient number, since it is larger than the sum of its proper divisors (697131709).

7668448667 is a wasteful number, since it uses less digits than its factorization.

7668448667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697131708.

The product of its digits is 65028096, while the sum is 62.

The square root of 7668448667 is about 87569.6789248425. The cubic root of 7668448667 is about 1971.9799951718.

The spelling of 7668448667 in words is "seven billion, six hundred sixty-eight million, four hundred forty-eight thousand, six hundred sixty-seven".