99605107 has 4 divisors (see below), whose sum is σ = 113834416. Its totient is φ = 85375800.

The previous prime is 99605047. The next prime is 99605117. The reversal of 99605107 is 70150699.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99605107 - 2¹⁹ = 99080819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99605117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7114644 + ... + 7114657.

It is an arithmetic number, because the mean of its divisors is an integer number (28458604).

Almost surely, 2^99605107 is an apocalyptic number.

99605107 is a deficient number, since it is larger than the sum of its proper divisors (14229309).

99605107 is a wasteful number, since it uses less digits than its factorization.

99605107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14229308.

The product of its (nonzero) digits is 17010, while the sum is 37.

The square root of 99605107 is about 9980.2358188572. The cubic root of 99605107 is about 463.5471003774.

The spelling of 99605107 in words is "ninety-nine million, six hundred five thousand, one hundred seven".