7665775667 has 8 divisors (see below), whose sum is σ = 8379100080. Its totient is φ = 6955190560.

The previous prime is 7665775651. The next prime is 7665775673.

7665775667 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 7665775667 - 2⁴ = 7665775651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7665775627) 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, 678968 + ... + 690165.

It is an arithmetic number, because the mean of its divisors is an integer number (1047387510).

Almost surely, 2^7665775667 is an apocalyptic number.

7665775667 is a deficient number, since it is larger than the sum of its proper divisors (713324413).

7665775667 is a wasteful number, since it uses less digits than its factorization.

7665775667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369653.

The product of its digits is 77792400, while the sum is 62.

The square root of 7665775667 is about 87554.4154626139. The cubic root of 7665775667 is about 1971.7508434304.

The spelling of 7665775667 in words is "seven billion, six hundred sixty-five million, seven hundred seventy-five thousand, six hundred sixty-seven".