679745547983 has 2 divisors, whose sum is σ = 679745547984. Its totient is φ = 679745547982.

The previous prime is 679745547959. The next prime is 679745547991. The reversal of 679745547983 is 389745547976.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 679745547983 - 2⁶ = 679745547919 is a prime.

It is a super-3 number, since 3×679745547983³ (a number of 36 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 679745547983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (679745544983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339872773991 + 339872773992.

It is an arithmetic number, because the mean of its divisors is an integer number (339872773992).

Almost surely, 2^679745547983 is an apocalyptic number.

679745547983 is a deficient number, since it is larger than the sum of its proper divisors (1).

679745547983 is an equidigital number, since it uses as much as digits as its factorization.

679745547983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1600300800, while the sum is 74.

The spelling of 679745547983 in words is "six hundred seventy-nine billion, seven hundred forty-five million, five hundred forty-seven thousand, nine hundred eighty-three".