679983113 has 2 divisors, whose sum is σ = 679983114. Its totient is φ = 679983112.

The previous prime is 679983091. The next prime is 679983121. The reversal of 679983113 is 311389976.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 492484864 + 187498249 = 22192^2 + 13693^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-679983113 is a prime.

It is not a weakly prime, because it can be changed into another prime (679983133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339991556 + 339991557.

It is an arithmetic number, because the mean of its divisors is an integer number (339991557).

Almost surely, 2^679983113 is an apocalyptic number.

It is an amenable number.

679983113 is a deficient number, since it is larger than the sum of its proper divisors (1).

679983113 is an equidigital number, since it uses as much as digits as its factorization.

679983113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 244944, while the sum is 47.

The square root of 679983113 is about 26076.4858253561. The cubic root of 679983113 is about 879.3586550319.

The spelling of 679983113 in words is "six hundred seventy-nine million, nine hundred eighty-three thousand, one hundred thirteen".