679684267 has 2 divisors, whose sum is σ = 679684268. Its totient is φ = 679684266.

The previous prime is 679684253. The next prime is 679684277. The reversal of 679684267 is 762486976.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 679684267 - 2⁷ = 679684139 is a prime.

It is not a weakly prime, because it can be changed into another prime (679684237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339842133 + 339842134.

It is an arithmetic number, because the mean of its divisors is an integer number (339842134).

Almost surely, 2^679684267 is an apocalyptic number.

679684267 is a deficient number, since it is larger than the sum of its proper divisors (1).

679684267 is an equidigital number, since it uses as much as digits as its factorization.

679684267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6096384, while the sum is 55.

The square root of 679684267 is about 26070.7550139999. The cubic root of 679684267 is about 879.2298129478.

The spelling of 679684267 in words is "six hundred seventy-nine million, six hundred eighty-four thousand, two hundred sixty-seven".