99708871 has 2 divisors, whose sum is σ = 99708872. Its totient is φ = 99708870.

The previous prime is 99708839. The next prime is 99708877. The reversal of 99708871 is 17880799.

It is a strong prime.

It is an emirp because it is prime and its reverse (17880799) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99708871 - 2⁵ = 99708839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99708877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49854435 + 49854436.

It is an arithmetic number, because the mean of its divisors is an integer number (49854436).

Almost surely, 2^99708871 is an apocalyptic number.

99708871 is a deficient number, since it is larger than the sum of its proper divisors (1).

99708871 is an equidigital number, since it uses as much as digits as its factorization.

99708871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 49.

The square root of 99708871 is about 9985.4329400382. The cubic root of 99708871 is about 463.7080118334.

The spelling of 99708871 in words is "ninety-nine million, seven hundred eight thousand, eight hundred seventy-one".