99588971 has 2 divisors, whose sum is σ = 99588972. Its totient is φ = 99588970.

The previous prime is 99588943. The next prime is 99588997. The reversal of 99588971 is 17988599.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99588971 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99584971) 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, 49794485 + 49794486.

It is an arithmetic number, because the mean of its divisors is an integer number (49794486).

Almost surely, 2^99588971 is an apocalyptic number.

99588971 is a deficient number, since it is larger than the sum of its proper divisors (1).

99588971 is an equidigital number, since it uses as much as digits as its factorization.

99588971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 56.

The square root of 99588971 is about 9979.4273883826. The cubic root of 99588971 is about 463.5220675245.

The spelling of 99588971 in words is "ninety-nine million, five hundred eighty-eight thousand, nine hundred seventy-one".