683797879 has 2 divisors, whose sum is σ = 683797880. Its totient is φ = 683797878.

The previous prime is 683797867. The next prime is 683797921. The reversal of 683797879 is 978797386.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 683797879 - 2¹¹ = 683795831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 683797879.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (683797979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341898939 + 341898940.

It is an arithmetic number, because the mean of its divisors is an integer number (341898940).

Almost surely, 2^683797879 is an apocalyptic number.

683797879 is a deficient number, since it is larger than the sum of its proper divisors (1).

683797879 is an equidigital number, since it uses as much as digits as its factorization.

683797879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32006016, while the sum is 64.

The square root of 683797879 is about 26149.5292309441. The cubic root of 683797879 is about 881.0000163196. Note that the first 4 decimals are identical.

The spelling of 683797879 in words is "six hundred eighty-three million, seven hundred ninety-seven thousand, eight hundred seventy-nine".