679534967 has 2 divisors, whose sum is σ = 679534968. Its totient is φ = 679534966.

The previous prime is 679534957. The next prime is 679535039. The reversal of 679534967 is 769435976.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 679534967 - 2⁶ = 679534903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (679534907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339767483 + 339767484.

It is an arithmetic number, because the mean of its divisors is an integer number (339767484).

Almost surely, 2^679534967 is an apocalyptic number.

679534967 is a deficient number, since it is larger than the sum of its proper divisors (1).

679534967 is an equidigital number, since it uses as much as digits as its factorization.

679534967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8573040, while the sum is 56.

The square root of 679534967 is about 26067.8914950941. The cubic root of 679534967 is about 879.1654307877.

The spelling of 679534967 in words is "six hundred seventy-nine million, five hundred thirty-four thousand, nine hundred sixty-seven".