91268711 has 2 divisors, whose sum is σ = 91268712. Its totient is φ = 91268710.

The previous prime is 91268701. The next prime is 91268719. The reversal of 91268711 is 11786219.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 91268711 - 2¹⁸ = 91006567 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91268719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45634355 + 45634356.

It is an arithmetic number, because the mean of its divisors is an integer number (45634356).

Almost surely, 2^91268711 is an apocalyptic number.

91268711 is a deficient number, since it is larger than the sum of its proper divisors (1).

91268711 is an equidigital number, since it uses as much as digits as its factorization.

91268711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 35.

The square root of 91268711 is about 9553.4659155722. The cubic root of 91268711 is about 450.2364370674.

The spelling of 91268711 in words is "ninety-one million, two hundred sixty-eight thousand, seven hundred eleven".