99000791 has 2 divisors, whose sum is σ = 99000792. Its totient is φ = 99000790.

The previous prime is 99000739. The next prime is 99000793. The reversal of 99000791 is 19700099.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (19700099) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99000791 - 2²⁶ = 31891927 is a prime.

Together with 99000793, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99000793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49500395 + 49500396.

It is an arithmetic number, because the mean of its divisors is an integer number (49500396).

Almost surely, 2^99000791 is an apocalyptic number.

99000791 is a deficient number, since it is larger than the sum of its proper divisors (1).

99000791 is an equidigital number, since it uses as much as digits as its factorization.

99000791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5103, while the sum is 35.

The square root of 99000791 is about 9949.9141202324. The cubic root of 99000791 is about 462.6077329747.

The spelling of 99000791 in words is "ninety-nine million, seven hundred ninety-one", and thus it is an aban number.