99240292577 has 2 divisors, whose sum is σ = 99240292578. Its totient is φ = 99240292576.

The previous prime is 99240292549. The next prime is 99240292601. The reversal of 99240292577 is 77529204299.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76538542336 + 22701750241 = 276656^2 + 150671^2 .

It is an emirp because it is prime and its reverse (77529204299) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99240292577 - 2⁸ = 99240292321 is a prime.

It is a super-2 number, since 2×99240292577² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (99240292507) 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, 49620146288 + 49620146289.

It is an arithmetic number, because the mean of its divisors is an integer number (49620146289).

Almost surely, 2^99240292577 is an apocalyptic number.

It is an amenable number.

99240292577 is a deficient number, since it is larger than the sum of its proper divisors (1).

99240292577 is an equidigital number, since it uses as much as digits as its factorization.

99240292577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5715360, while the sum is 56.

The spelling of 99240292577 in words is "ninety-nine billion, two hundred forty million, two hundred ninety-two thousand, five hundred seventy-seven".