99499427 has 2 divisors, whose sum is σ = 99499428. Its totient is φ = 99499426.

The previous prime is 99499417. The next prime is 99499459. The reversal of 99499427 is 72499499.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99499427 - 2⁸ = 99499171 is a prime.

It is not a weakly prime, because it can be changed into another prime (99499417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49749713 + 49749714.

It is an arithmetic number, because the mean of its divisors is an integer number (49749714).

Almost surely, 2^99499427 is an apocalyptic number.

99499427 is a deficient number, since it is larger than the sum of its proper divisors (1).

99499427 is an equidigital number, since it uses as much as digits as its factorization.

99499427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 53.

The square root of 99499427 is about 9974.9399496939. The cubic root of 99499427 is about 463.3831027860.

The spelling of 99499427 in words is "ninety-nine million, four hundred ninety-nine thousand, four hundred twenty-seven".