667934760959 has 2 divisors, whose sum is σ = 667934760960. Its totient is φ = 667934760958.

The previous prime is 667934760953. The next prime is 667934760989. The reversal of 667934760959 is 959067439766.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 667934760959 - 2²⁸ = 667666325503 is a prime.

It is a super-2 number, since 2×667934760959² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 667934760892 and 667934760901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (667934760953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333967380479 + 333967380480.

It is an arithmetic number, because the mean of its divisors is an integer number (333967380480).

Almost surely, 2^667934760959 is an apocalyptic number.

667934760959 is a deficient number, since it is larger than the sum of its proper divisors (1).

667934760959 is an equidigital number, since it uses as much as digits as its factorization.

667934760959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 462944160, while the sum is 71.

The spelling of 667934760959 in words is "six hundred sixty-seven billion, nine hundred thirty-four million, seven hundred sixty thousand, nine hundred fifty-nine".