99713665 has 8 divisors (see below), whose sum is σ = 119752488. Its totient is φ = 79706880.

The previous prime is 99713657. The next prime is 99713707. The reversal of 99713665 is 56631799.

It can be written as a sum of positive squares in 4 ways, for example, as 9235521 + 90478144 = 3039^2 + 9512^2 .

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

It is not a de Polignac number, because 99713665 - 2³ = 99713657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522 + ... + 14131.

It is an arithmetic number, because the mean of its divisors is an integer number (14969061).

Almost surely, 2^99713665 is an apocalyptic number.

It is an amenable number.

99713665 is a deficient number, since it is larger than the sum of its proper divisors (20038823).

99713665 is a wasteful number, since it uses less digits than its factorization.

99713665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16019.

The product of its digits is 306180, while the sum is 46.

The square root of 99713665 is about 9985.6729868347. The cubic root of 99713665 is about 463.7154434041.

The spelling of 99713665 in words is "ninety-nine million, seven hundred thirteen thousand, six hundred sixty-five".