99710211 has 4 divisors (see below), whose sum is σ = 132946952. Its totient is φ = 66473472.

The previous prime is 99710209. The next prime is 99710243. The reversal of 99710211 is 11201799.

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

It is not a de Polignac number, because 99710211 - 2¹ = 99710209 is a prime.

It is the 9986-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99710011) by changing a digit.

It is a nontrivial repunit in base 9985.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16618366 + ... + 16618371.

It is an arithmetic number, because the mean of its divisors is an integer number (33236738).

Almost surely, 2^99710211 is an apocalyptic number.

99710211 is a deficient number, since it is larger than the sum of its proper divisors (33236741).

99710211 is a wasteful number, since it uses less digits than its factorization.

99710211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33236740.

The product of its (nonzero) digits is 1134, while the sum is 30.

The square root of 99710211 is about 9985.5000375545. The cubic root of 99710211 is about 463.7100891007.

The spelling of 99710211 in words is "ninety-nine million, seven hundred ten thousand, two hundred eleven".