9667667677 has 2 divisors, whose sum is σ = 9667667678. Its totient is φ = 9667667676.

The previous prime is 9667667623. The next prime is 9667667687. The reversal of 9667667677 is 7767667669.

9667667677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6311666916 + 3356000761 = 79446^2 + 57931^2 .

It is a cyclic number.

It is not a de Polignac number, because 9667667677 - 2¹⁹ = 9667143389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9667667687) 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, 4833833838 + 4833833839.

It is an arithmetic number, because the mean of its divisors is an integer number (4833833839).

Almost surely, 2^9667667677 is an apocalyptic number.

It is an amenable number.

9667667677 is a deficient number, since it is larger than the sum of its proper divisors (1).

9667667677 is an equidigital number, since it uses as much as digits as its factorization.

9667667677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168031584, while the sum is 67.

The square root of 9667667677 is about 98324.2985075409. The cubic root of 9667667677 is about 2130.2990371956.

The spelling of 9667667677 in words is "nine billion, six hundred sixty-seven million, six hundred sixty-seven thousand, six hundred seventy-seven".