99168787 has 2 divisors, whose sum is σ = 99168788. Its totient is φ = 99168786.

The previous prime is 99168781. The next prime is 99168827. The reversal of 99168787 is 78786199.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99168787 is a prime.

It is not a weakly prime, because it can be changed into another prime (99168781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49584393 + 49584394.

It is an arithmetic number, because the mean of its divisors is an integer number (49584394).

Almost surely, 2^99168787 is an apocalyptic number.

99168787 is a deficient number, since it is larger than the sum of its proper divisors (1).

99168787 is an equidigital number, since it uses as much as digits as its factorization.

99168787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096, while the sum is 55.

The square root of 99168787 is about 9958.3526248070. The cubic root of 99168787 is about 462.8692538845.

The spelling of 99168787 in words is "ninety-nine million, one hundred sixty-eight thousand, seven hundred eighty-seven".