79873586654999 has 2 divisors, whose sum is σ = 79873586655000. Its totient is φ = 79873586654998.

The previous prime is 79873586654987. The next prime is 79873586655011. The reversal of 79873586654999 is 99945668537897.

It is a balanced prime because it is at equal distance from previous prime (79873586654987) and next prime (79873586655011).

It is a cyclic number.

It is not a de Polignac number, because 79873586654999 - 2²⁸ = 79873318219543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79873586654909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39936793327499 + 39936793327500.

It is an arithmetic number, because the mean of its divisors is an integer number (39936793327500).

Almost surely, 2^{79873586654999} is an apocalyptic number.

79873586654999 is a deficient number, since it is larger than the sum of its proper divisors (1).

79873586654999 is an equidigital number, since it uses as much as digits as its factorization.

79873586654999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 222213196800, while the sum is 95.

The spelling of 79873586654999 in words is "seventy-nine trillion, eight hundred seventy-three billion, five hundred eighty-six million, six hundred fifty-four thousand, nine hundred ninety-nine".