91332667 has 2 divisors, whose sum is σ = 91332668. Its totient is φ = 91332666.

The previous prime is 91332643. The next prime is 91332673. The reversal of 91332667 is 76623319.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 91332667 - 2¹⁹ = 90808379 is a prime.

It is a super-2 number, since 2×91332667² = 16683312122665778, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (91332607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45666333 + 45666334.

It is an arithmetic number, because the mean of its divisors is an integer number (45666334).

Almost surely, 2^91332667 is an apocalyptic number.

91332667 is a deficient number, since it is larger than the sum of its proper divisors (1).

91332667 is an equidigital number, since it uses as much as digits as its factorization.

91332667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 37.

The square root of 91332667 is about 9556.8125962582. The cubic root of 91332667 is about 450.3415793365.

The spelling of 91332667 in words is "ninety-one million, three hundred thirty-two thousand, six hundred sixty-seven".