99379697 has 2 divisors, whose sum is σ = 99379698. Its totient is φ = 99379696.

The previous prime is 99379673. The next prime is 99379699. The reversal of 99379697 is 79697399.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76807696 + 22572001 = 8764^2 + 4751^2 .

It is a cyclic number.

It is not a de Polignac number, because 99379697 - 2¹⁰ = 99378673 is a prime.

Together with 99379699, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99379699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49689848 + 49689849.

It is an arithmetic number, because the mean of its divisors is an integer number (49689849).

Almost surely, 2^99379697 is an apocalyptic number.

It is an amenable number.

99379697 is a deficient number, since it is larger than the sum of its proper divisors (1).

99379697 is an equidigital number, since it uses as much as digits as its factorization.

99379697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5786802, while the sum is 59.

The square root of 99379697 is about 9968.9366032692. The cubic root of 99379697 is about 463.1971615892.

The spelling of 99379697 in words is "ninety-nine million, three hundred seventy-nine thousand, six hundred ninety-seven".