99667963 has 2 divisors, whose sum is σ = 99667964. Its totient is φ = 99667962.

The previous prime is 99667951. The next prime is 99667969. The reversal of 99667963 is 36976699.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (36976699) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99667963 is a prime.

It is not a weakly prime, because it can be changed into another prime (99667969) 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, 49833981 + 49833982.

It is an arithmetic number, because the mean of its divisors is an integer number (49833982).

Almost surely, 2^99667963 is an apocalyptic number.

99667963 is a deficient number, since it is larger than the sum of its proper divisors (1).

99667963 is an equidigital number, since it uses as much as digits as its factorization.

99667963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3306744, while the sum is 55.

The square root of 99667963 is about 9983.3843460021. The cubic root of 99667963 is about 463.6445873123.

The spelling of 99667963 in words is "ninety-nine million, six hundred sixty-seven thousand, nine hundred sixty-three".