99722863 has 2 divisors, whose sum is σ = 99722864. Its totient is φ = 99722862.

The previous prime is 99722761. The next prime is 99722879. The reversal of 99722863 is 36822799.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99722863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99722893) 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, 49861431 + 49861432.

It is an arithmetic number, because the mean of its divisors is an integer number (49861432).

Almost surely, 2^99722863 is an apocalyptic number.

99722863 is a deficient number, since it is larger than the sum of its proper divisors (1).

99722863 is an equidigital number, since it uses as much as digits as its factorization.

99722863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 46.

The square root of 99722863 is about 9986.1335360589. The cubic root of 99722863 is about 463.7297013078.

The spelling of 99722863 in words is "ninety-nine million, seven hundred twenty-two thousand, eight hundred sixty-three".