99391711 has 2 divisors, whose sum is σ = 99391712. Its totient is φ = 99391710.

The previous prime is 99391703. The next prime is 99391751. The reversal of 99391711 is 11719399.

It is an a-pointer prime, because the next prime (99391751) can be obtained adding 99391711 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99391711 - 2³ = 99391703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99391751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is an upside-down number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49695855 + 49695856.

It is an arithmetic number, because the mean of its divisors is an integer number (49695856).

Almost surely, 2^99391711 is an apocalyptic number.

99391711 is a deficient number, since it is larger than the sum of its proper divisors (1).

99391711 is an equidigital number, since it uses as much as digits as its factorization.

99391711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15309, while the sum is 40.

The square root of 99391711 is about 9969.5391568517. The cubic root of 99391711 is about 463.2158261208.

The spelling of 99391711 in words is "ninety-nine million, three hundred ninety-one thousand, seven hundred eleven".