99767 has 2 divisors, whose sum is σ = 99768.
Its totient is φ = 99766.
The previous prime is 99761. The next prime is 99787. The reversal of 99767 is 76799.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 99767 - 214 = 83383 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 99767.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 99767.
It is not a weakly prime, because it can be changed into another prime (99761) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49883 + 49884.
It is an arithmetic number, because the mean of its divisors is an integer number (49884).
299767 is an apocalyptic number.
99767 is a deficient number, since it is larger than the sum of its proper divisors (1).
99767 is an equidigital number, since it uses as much as digits as its factorization.
99767 is an evil number, because the sum of its binary digits is even.
The product of its digits is 23814, while the sum is 38.
The square root of 99767 is about 315.8591458229.
The cubic root of 99767 is about 46.3798106280.
The spelling of 99767 in words is "ninety-nine thousand, seven hundred sixty-seven".