99997063 has 2 divisors, whose sum is σ = 99997064. Its totient is φ = 99997062.

The previous prime is 99997033. The next prime is 99997067. The reversal of 99997063 is 36079999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99997063 - 2⁹ = 99996551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99997063.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99997067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49998531 + 49998532.

It is an arithmetic number, because the mean of its divisors is an integer number (49998532).

Almost surely, 2^99997063 is an apocalyptic number.

99997063 is a deficient number, since it is larger than the sum of its proper divisors (1).

99997063 is an equidigital number, since it uses as much as digits as its factorization.

99997063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 826686, while the sum is 52.

The square root of 99997063 is about 9999.8531489217. The cubic root of 99997063 is about 464.1543392013.

The spelling of 99997063 in words is "ninety-nine million, nine hundred ninety-seven thousand, sixty-three".