99708911 has 2 divisors, whose sum is σ = 99708912. Its totient is φ = 99708910.

The previous prime is 99708901. The next prime is 99708923. The reversal of 99708911 is 11980799.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99708911 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99708901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49854455 + 49854456.

It is an arithmetic number, because the mean of its divisors is an integer number (49854456).

Almost surely, 2^99708911 is an apocalyptic number.

99708911 is a deficient number, since it is larger than the sum of its proper divisors (1).

99708911 is an equidigital number, since it uses as much as digits as its factorization.

99708911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 44.

The square root of 99708911 is about 9985.4349429557. The cubic root of 99708911 is about 463.7080738416.

It can be divided in two parts, 9970 and 8911, that added together give a palindrome (18881).

The spelling of 99708911 in words is "ninety-nine million, seven hundred eight thousand, nine hundred eleven".