679983907 has 2 divisors, whose sum is σ = 679983908. Its totient is φ = 679983906.

The previous prime is 679983883. The next prime is 679983917. The reversal of 679983907 is 709389976.

679983907 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 is a cyclic number.

It is not a de Polignac number, because 679983907 - 2⁷ = 679983779 is a prime.

It is a super-2 number, since 2×679983907² = 924756227557969298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (679983917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339991953 + 339991954.

It is an arithmetic number, because the mean of its divisors is an integer number (339991954).

Almost surely, 2^679983907 is an apocalyptic number.

679983907 is a deficient number, since it is larger than the sum of its proper divisors (1).

679983907 is an equidigital number, since it uses as much as digits as its factorization.

679983907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5143824, while the sum is 58.

The square root of 679983907 is about 26076.5010497958. The cubic root of 679983907 is about 879.3589973004.

The spelling of 679983907 in words is "six hundred seventy-nine million, nine hundred eighty-three thousand, nine hundred seven".