99500605 has 8 divisors (see below), whose sum is σ = 119454264. Its totient is φ = 79564800.

The previous prime is 99500591. The next prime is 99500617. The reversal of 99500605 is 50600599.

It can be written as a sum of positive squares in 4 ways, for example, as 16216729 + 83283876 = 4027^2 + 9126^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99500605 - 2⁵ = 99500573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19965 + ... + 24445.

It is an arithmetic number, because the mean of its divisors is an integer number (14931783).

Almost surely, 2^99500605 is an apocalyptic number.

It is an amenable number.

99500605 is a deficient number, since it is larger than the sum of its proper divisors (19953659).

99500605 is a wasteful number, since it uses less digits than its factorization.

99500605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8927.

The product of its (nonzero) digits is 12150, while the sum is 34.

The square root of 99500605 is about 9974.9989974937. The cubic root of 99500605 is about 463.3849314837.

The spelling of 99500605 in words is "ninety-nine million, five hundred thousand, six hundred five".