91426367 has 2 divisors, whose sum is σ = 91426368. Its totient is φ = 91426366.

The previous prime is 91426339. The next prime is 91426369. The reversal of 91426367 is 76362419.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 91426367 - 2¹⁰ = 91425343 is a prime.

Together with 91426369, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 91426367.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91426369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45713183 + 45713184.

It is an arithmetic number, because the mean of its divisors is an integer number (45713184).

Almost surely, 2^91426367 is an apocalyptic number.

91426367 is a deficient number, since it is larger than the sum of its proper divisors (1).

91426367 is an equidigital number, since it uses as much as digits as its factorization.

91426367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 38.

The square root of 91426367 is about 9561.7136016511. The cubic root of 91426367 is about 450.4955314960.

The spelling of 91426367 in words is "ninety-one million, four hundred twenty-six thousand, three hundred sixty-seven".