99007747 has 2 divisors, whose sum is σ = 99007748. Its totient is φ = 99007746.

The previous prime is 99007739. The next prime is 99007751. The reversal of 99007747 is 74770099.

It is a strong prime.

It is an emirp because it is prime and its reverse (74770099) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99007747 - 2³ = 99007739 is a prime.

It is not a weakly prime, because it can be changed into another prime (99007757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49503873 + 49503874.

It is an arithmetic number, because the mean of its divisors is an integer number (49503874).

Almost surely, 2^99007747 is an apocalyptic number.

99007747 is a deficient number, since it is larger than the sum of its proper divisors (1).

99007747 is an equidigital number, since it uses as much as digits as its factorization.

99007747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 111132, while the sum is 43.

The square root of 99007747 is about 9950.2636648483. The cubic root of 99007747 is about 462.6185673125.

The spelling of 99007747 in words is "ninety-nine million, seven thousand, seven hundred forty-seven".