7706139677 has 2 divisors, whose sum is σ = 7706139678. Its totient is φ = 7706139676.

The previous prime is 7706139667. The next prime is 7706139689. The reversal of 7706139677 is 7769316077.

7706139677 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6720556441 + 985583236 = 81979^2 + 31394^2 .

It is a cyclic number.

It is not a de Polignac number, because 7706139677 - 2¹⁰ = 7706138653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7706139647) 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 as a sum of consecutive naturals, namely, 3853069838 + 3853069839.

It is an arithmetic number, because the mean of its divisors is an integer number (3853069839).

Almost surely, 2^7706139677 is an apocalyptic number.

It is an amenable number.

7706139677 is a deficient number, since it is larger than the sum of its proper divisors (1).

7706139677 is an equidigital number, since it uses as much as digits as its factorization.

7706139677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2333772, while the sum is 53.

The square root of 7706139677 is about 87784.6209594824. The cubic root of 7706139677 is about 1975.2055270383.

The spelling of 7706139677 in words is "seven billion, seven hundred six million, one hundred thirty-nine thousand, six hundred seventy-seven".