99782211 has 16 divisors (see below), whose sum is σ = 143308800. Its totient is φ = 61575360.

The previous prime is 99782203. The next prime is 99782213. The reversal of 99782211 is 11228799.

It is not a de Polignac number, because 99782211 - 2³ = 99782203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99782211.

It is not an unprimeable number, because it can be changed into a prime (99782213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21186 + ... + 25463.

It is an arithmetic number, because the mean of its divisors is an integer number (8956800).

Almost surely, 2^99782211 is an apocalyptic number.

99782211 is a deficient number, since it is larger than the sum of its proper divisors (43526589).

99782211 is a wasteful number, since it uses less digits than its factorization.

99782211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46706.

The product of its digits is 18144, while the sum is 39.

The square root of 99782211 is about 9989.1046145288. The cubic root of 99782211 is about 463.8216761124.

The spelling of 99782211 in words is "ninety-nine million, seven hundred eighty-two thousand, two hundred eleven".