99594997 has 2 divisors, whose sum is σ = 99594998. Its totient is φ = 99594996.

The previous prime is 99594973. The next prime is 99595007. The reversal of 99594997 is 79949599.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50608996 + 48986001 = 7114^2 + 6999^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99594997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99594917) 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, 49797498 + 49797499.

It is an arithmetic number, because the mean of its divisors is an integer number (49797499).

Almost surely, 2^99594997 is an apocalyptic number.

It is an amenable number.

99594997 is a deficient number, since it is larger than the sum of its proper divisors (1).

99594997 is an equidigital number, since it uses as much as digits as its factorization.

99594997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8266860, while the sum is 61.

The square root of 99594997 is about 9979.7293049461. The cubic root of 99594997 is about 463.5314163765.

The spelling of 99594997 in words is "ninety-nine million, five hundred ninety-four thousand, nine hundred ninety-seven".