99290071 has 2 divisors, whose sum is σ = 99290072. Its totient is φ = 99290070.

The previous prime is 99290039. The next prime is 99290083. The reversal of 99290071 is 17009299.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99290071 - 2⁵ = 99290039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99290071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99290771) 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, 49645035 + 49645036.

It is an arithmetic number, because the mean of its divisors is an integer number (49645036).

Almost surely, 2^99290071 is an apocalyptic number.

99290071 is a deficient number, since it is larger than the sum of its proper divisors (1).

99290071 is an equidigital number, since it uses as much as digits as its factorization.

99290071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 37.

The square root of 99290071 is about 9964.4403254774. The cubic root of 99290071 is about 463.0578742689.

The spelling of 99290071 in words is "ninety-nine million, two hundred ninety thousand, seventy-one".