99085705 has 4 divisors (see below), whose sum is σ = 118902852. Its totient is φ = 79268560.

The previous prime is 99085699. The next prime is 99085709. The reversal of 99085705 is 50758099.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50758099 = 7 ⋅7251157.

It can be written as a sum of positive squares in 2 ways, for example, as 77070841 + 22014864 = 8779^2 + 4692^2 .

It is not a de Polignac number, because 99085705 - 2⁹ = 99085193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99085709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9908566 + ... + 9908575.

It is an arithmetic number, because the mean of its divisors is an integer number (29725713).

Almost surely, 2^99085705 is an apocalyptic number.

It is an amenable number.

99085705 is a deficient number, since it is larger than the sum of its proper divisors (19817147).

99085705 is a wasteful number, since it uses less digits than its factorization.

99085705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19817146.

The product of its (nonzero) digits is 113400, while the sum is 43.

The square root of 99085705 is about 9954.1802776522. The cubic root of 99085705 is about 462.7399563209.

The spelling of 99085705 in words is "ninety-nine million, eighty-five thousand, seven hundred five".