91264067 has 2 divisors, whose sum is σ = 91264068. Its totient is φ = 91264066.

The previous prime is 91264013. The next prime is 91264081. The reversal of 91264067 is 76046219.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 91264067 - 2¹⁰ = 91263043 is a prime.

It is not a weakly prime, because it can be changed into another prime (91264097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45632033 + 45632034.

It is an arithmetic number, because the mean of its divisors is an integer number (45632034).

Almost surely, 2^91264067 is an apocalyptic number.

91264067 is a deficient number, since it is larger than the sum of its proper divisors (1).

91264067 is an equidigital number, since it uses as much as digits as its factorization.

91264067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 91264067 is about 9553.2228593287. Note that the first 3 decimals coincide. The cubic root of 91264067 is about 450.2288005201.

The spelling of 91264067 in words is "ninety-one million, two hundred sixty-four thousand, sixty-seven".