91079 has 2 divisors, whose sum is σ = 91080. Its totient is φ = 91078.

The previous prime is 91033. The next prime is 91081. The reversal of 91079 is 97019.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 91079 - 2⁸ = 90823 is a prime.

It is a Sophie Germain prime.

Together with 91081, 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 (91009) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45539 + 45540.

It is an arithmetic number, because the mean of its divisors is an integer number (45540).

2⁹¹⁰⁷⁹ is an apocalyptic number.

91079 is a deficient number, since it is larger than the sum of its proper divisors (1).

91079 is an equidigital number, since it uses as much as digits as its factorization.

91079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567, while the sum is 26.

The square root of 91079 is about 301.7929753987. The cubic root of 91079 is about 44.9924267091.

It can be divided in two parts, 910 and 79, that added together give a palindrome (989).

The spelling of 91079 in words is "ninety-one thousand, seventy-nine".