99866027 has 2 divisors, whose sum is σ = 99866028. Its totient is φ = 99866026.

The previous prime is 99866021. The next prime is 99866029. The reversal of 99866027 is 72066899.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99866027 - 2⁸ = 99865771 is a prime.

Together with 99866029, 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 (99866021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49933013 + 49933014.

It is an arithmetic number, because the mean of its divisors is an integer number (49933014).

Almost surely, 2^99866027 is an apocalyptic number.

99866027 is a deficient number, since it is larger than the sum of its proper divisors (1).

99866027 is an equidigital number, since it uses as much as digits as its factorization.

99866027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 99866027 is about 9993.2991049002. The cubic root of 99866027 is about 463.9515081978.

The spelling of 99866027 in words is "ninety-nine million, eight hundred sixty-six thousand, twenty-seven".