99775705559039 has 2 divisors, whose sum is σ = 99775705559040. Its totient is φ = 99775705559038.

The previous prime is 99775705559017. The next prime is 99775705559093. The reversal of 99775705559039 is 93095550757799.

Together with next prime (99775705559093) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99775705559039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99775705559099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49887852779519 + 49887852779520.

It is an arithmetic number, because the mean of its divisors is an integer number (49887852779520).

Almost surely, 2^{99775705559039} is an apocalyptic number.

99775705559039 is a deficient number, since it is larger than the sum of its proper divisors (1).

99775705559039 is an equidigital number, since it uses as much as digits as its factorization.

99775705559039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4219543125, while the sum is 80.

The spelling of 99775705559039 in words is "ninety-nine trillion, seven hundred seventy-five billion, seven hundred five million, five hundred fifty-nine thousand, thirty-nine".