9667667623 has 2 divisors, whose sum is σ = 9667667624. Its totient is φ = 9667667622.

The previous prime is 9667667599. The next prime is 9667667677. The reversal of 9667667623 is 3267667669.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9667667623 - 2¹⁷ = 9667536551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9667667923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4833833811 + 4833833812.

It is an arithmetic number, because the mean of its divisors is an integer number (4833833812).

Almost surely, 2^9667667623 is an apocalyptic number.

9667667623 is a deficient number, since it is larger than the sum of its proper divisors (1).

9667667623 is an equidigital number, since it uses as much as digits as its factorization.

9667667623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20575296, while the sum is 58.

The square root of 9667667623 is about 98324.2982329393. The cubic root of 9667667623 is about 2130.2990332293.

The spelling of 9667667623 in words is "nine billion, six hundred sixty-seven million, six hundred sixty-seven thousand, six hundred twenty-three".