99170707 has 12 divisors (see below), whose sum is σ = 106192296. Its totient is φ = 92292480.

The previous prime is 99170663. The next prime is 99170713. The reversal of 99170707 is 70707199.

It is a happy number.

It is not a de Polignac number, because 99170707 - 2¹⁹ = 98646419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99170707.

It is not an unprimeable number, because it can be changed into a prime (99170717) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201732 + ... + 202222.

It is an arithmetic number, because the mean of its divisors is an integer number (8849358).

Almost surely, 2^99170707 is an apocalyptic number.

99170707 is a deficient number, since it is larger than the sum of its proper divisors (7021589).

99170707 is a wasteful number, since it uses less digits than its factorization.

99170707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 27783, while the sum is 40.

The square root of 99170707 is about 9958.4490258273. The cubic root of 99170707 is about 462.8722410584.

The spelling of 99170707 in words is "ninety-nine million, one hundred seventy thousand, seven hundred seven".