7668606677 has 8 divisors (see below), whose sum is σ = 7934044440. Its totient is φ = 7403235840.

The previous prime is 7668606661. The next prime is 7668606683. The reversal of 7668606677 is 7766068667.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3169014436 + 4499592241 = 56294^2 + 67079^2 .

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 7668606677 - 2⁴ = 7668606661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7668606607) 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, 362093 + ... + 382685.

It is an arithmetic number, because the mean of its divisors is an integer number (991755555).

Almost surely, 2^7668606677 is an apocalyptic number.

It is an amenable number.

7668606677 is a deficient number, since it is larger than the sum of its proper divisors (265437763).

7668606677 is a wasteful number, since it uses less digits than its factorization.

7668606677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33463.

The product of its (nonzero) digits is 21337344, while the sum is 59.

The square root of 7668606677 is about 87570.5811160346. The cubic root of 7668606677 is about 1971.9935394332.

The spelling of 7668606677 in words is "seven billion, six hundred sixty-eight million, six hundred six thousand, six hundred seventy-seven".