99112427 has 2 divisors, whose sum is σ = 99112428. Its totient is φ = 99112426.

The previous prime is 99112399. The next prime is 99112469. The reversal of 99112427 is 72421199.

It is a weak prime.

It is an emirp because it is prime and its reverse (72421199) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99112427 - 2⁸ = 99112171 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99112477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49556213 + 49556214.

It is an arithmetic number, because the mean of its divisors is an integer number (49556214).

Almost surely, 2^99112427 is an apocalyptic number.

99112427 is a deficient number, since it is larger than the sum of its proper divisors (1).

99112427 is an equidigital number, since it uses as much as digits as its factorization.

99112427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 35.

The square root of 99112427 is about 9955.5224373209. The cubic root of 99112427 is about 462.7815507018.

The spelling of 99112427 in words is "ninety-nine million, one hundred twelve thousand, four hundred twenty-seven".