79943805785059 has 2 divisors, whose sum is σ = 79943805785060. Its totient is φ = 79943805785058.

The previous prime is 79943805785057. The next prime is 79943805785093. The reversal of 79943805785059 is 95058750834997.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79943805785059 - 2¹ = 79943805785057 is a prime.

Together with 79943805785057, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 79943805785059.

It is not a weakly prime, because it can be changed into another prime (79943805785057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39971902892529 + 39971902892530.

It is an arithmetic number, because the mean of its divisors is an integer number (39971902892530).

Almost surely, 2^{79943805785059} is an apocalyptic number.

79943805785059 is a deficient number, since it is larger than the sum of its proper divisors (1).

79943805785059 is an equidigital number, since it uses as much as digits as its factorization.

79943805785059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3429216000, while the sum is 79.

The spelling of 79943805785059 in words is "seventy-nine trillion, nine hundred forty-three billion, eight hundred five million, seven hundred eighty-five thousand, fifty-nine".