99047747 has 2 divisors, whose sum is σ = 99047748. Its totient is φ = 99047746.

The previous prime is 99047743. The next prime is 99047749. The reversal of 99047747 is 74774099.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99047747 - 2² = 99047743 is a prime.

Together with 99047749, 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 (99047743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49523873 + 49523874.

It is an arithmetic number, because the mean of its divisors is an integer number (49523874).

Almost surely, 2^99047747 is an apocalyptic number.

99047747 is a deficient number, since it is larger than the sum of its proper divisors (1).

99047747 is an equidigital number, since it uses as much as digits as its factorization.

99047747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 444528, while the sum is 47.

The square root of 99047747 is about 9952.2734588636. The cubic root of 99047747 is about 462.6808595801.

The spelling of 99047747 in words is "ninety-nine million, forty-seven thousand, seven hundred forty-seven".