99395797 has 2 divisors, whose sum is σ = 99395798. Its totient is φ = 99395796.

The previous prime is 99395771. The next prime is 99395837. The reversal of 99395797 is 79759399.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89605156 + 9790641 = 9466^2 + 3129^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99395797 is a prime.

It is a super-2 number, since 2×99395797² = 19759048922530418, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99395497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49697898 + 49697899.

It is an arithmetic number, because the mean of its divisors is an integer number (49697899).

Almost surely, 2^99395797 is an apocalyptic number.

It is an amenable number.

99395797 is a deficient number, since it is larger than the sum of its proper divisors (1).

99395797 is an equidigital number, since it uses as much as digits as its factorization.

99395797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4822335, while the sum is 58.

The square root of 99395797 is about 9969.7440789621. The cubic root of 99395797 is about 463.2221736452. Note that the first 3 decimals are identical.

The spelling of 99395797 in words is "ninety-nine million, three hundred ninety-five thousand, seven hundred ninety-seven".