99992797 has 2 divisors, whose sum is σ = 99992798. Its totient is φ = 99992796.

The previous prime is 99992791. The next prime is 99992803. The reversal of 99992797 is 79729999.

It is a balanced prime because it is at equal distance from previous prime (99992791) and next prime (99992803).

It can be written as a sum of positive squares in only one way, i.e., 83557881 + 16434916 = 9141^2 + 4054^2 .

It is a cyclic number.

It is not a de Polignac number, because 99992797 - 2²³ = 91604189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99992791) 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, 49996398 + 49996399.

It is an arithmetic number, because the mean of its divisors is an integer number (49996399).

Almost surely, 2^99992797 is an apocalyptic number.

It is an amenable number.

99992797 is a deficient number, since it is larger than the sum of its proper divisors (1).

99992797 is an equidigital number, since it uses as much as digits as its factorization.

99992797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5786802, while the sum is 61.

The square root of 99992797 is about 9999.6398435144. The cubic root of 99992797 is about 464.1477386389.

The spelling of 99992797 in words is "ninety-nine million, nine hundred ninety-two thousand, seven hundred ninety-seven".