99558605780983 has 2 divisors, whose sum is σ = 99558605780984. Its totient is φ = 99558605780982.

The previous prime is 99558605780941. The next prime is 99558605781053. The reversal of 99558605780983 is 38908750685599.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99558605780983 - 2⁹ = 99558605780471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99558605780897 and 99558605780906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99558605780483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49779302890491 + 49779302890492.

It is an arithmetic number, because the mean of its divisors is an integer number (49779302890492).

Almost surely, 2^{99558605780983} is an apocalyptic number.

99558605780983 is a deficient number, since it is larger than the sum of its proper divisors (1).

99558605780983 is an equidigital number, since it uses as much as digits as its factorization.

99558605780983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5878656000, while the sum is 82.

The spelling of 99558605780983 in words is "ninety-nine trillion, five hundred fifty-eight billion, six hundred five million, seven hundred eighty thousand, nine hundred eighty-three".