99858371 has 2 divisors, whose sum is σ = 99858372. Its totient is φ = 99858370.

The previous prime is 99858349. The next prime is 99858373. The reversal of 99858371 is 17385899.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99858371 - 2¹⁰ = 99857347 is a prime.

It is a Sophie Germain prime.

Together with 99858373, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99858373) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49929185 + 49929186.

It is an arithmetic number, because the mean of its divisors is an integer number (49929186).

Almost surely, 2^99858371 is an apocalyptic number.

99858371 is a deficient number, since it is larger than the sum of its proper divisors (1).

99858371 is an equidigital number, since it uses as much as digits as its factorization.

99858371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 50.

The square root of 99858371 is about 9992.9160408762. The cubic root of 99858371 is about 463.9396519686.

The spelling of 99858371 in words is "ninety-nine million, eight hundred fifty-eight thousand, three hundred seventy-one".