99935663 has 2 divisors, whose sum is σ = 99935664. Its totient is φ = 99935662.

The previous prime is 99935657. The next prime is 99935701. The reversal of 99935663 is 36653999.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99935663 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99935623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49967831 + 49967832.

It is an arithmetic number, because the mean of its divisors is an integer number (49967832).

Almost surely, 2^99935663 is an apocalyptic number.

99935663 is a deficient number, since it is larger than the sum of its proper divisors (1).

99935663 is an equidigital number, since it uses as much as digits as its factorization.

99935663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1180980, while the sum is 50.

The square root of 99935663 is about 9996.7826324273. The cubic root of 99935663 is about 464.0593200393.

The spelling of 99935663 in words is "ninety-nine million, nine hundred thirty-five thousand, six hundred sixty-three".