99830767 has 2 divisors, whose sum is σ = 99830768. Its totient is φ = 99830766.

The previous prime is 99830761. The next prime is 99830779. The reversal of 99830767 is 76703899.

It is a weak prime.

It is an emirp because it is prime and its reverse (76703899) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99830767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99830767.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99830761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49915383 + 49915384.

It is an arithmetic number, because the mean of its divisors is an integer number (49915384).

Almost surely, 2^99830767 is an apocalyptic number.

99830767 is a deficient number, since it is larger than the sum of its proper divisors (1).

99830767 is an equidigital number, since it uses as much as digits as its factorization.

99830767 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 99830767 is about 9991.5347669915. The cubic root of 99830767 is about 463.8968988499.

The spelling of 99830767 in words is "ninety-nine million, eight hundred thirty thousand, seven hundred sixty-seven".