99740999 has 2 divisors, whose sum is σ = 99741000. Its totient is φ = 99740998.

The previous prime is 99740959. The next prime is 99741029. The reversal of 99740999 is 99904799.

It is a strong prime.

It is an emirp because it is prime and its reverse (99904799) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99740999 - 2⁸ = 99740743 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99740939) 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, 49870499 + 49870500.

It is an arithmetic number, because the mean of its divisors is an integer number (49870500).

Almost surely, 2^99740999 is an apocalyptic number.

99740999 is a deficient number, since it is larger than the sum of its proper divisors (1).

99740999 is an equidigital number, since it uses as much as digits as its factorization.

99740999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1653372, while the sum is 56.

The square root of 99740999 is about 9987.0415539338. The cubic root of 99740999 is about 463.7578115185.

The spelling of 99740999 in words is "ninety-nine million, seven hundred forty thousand, nine hundred ninety-nine".