91082367 has 16 divisors (see below), whose sum is σ = 135168000. Its totient is φ = 60617592.

The previous prime is 91082363. The next prime is 91082393. The reversal of 91082367 is 76328019.

It is not a de Polignac number, because 91082367 - 2² = 91082363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91082363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15234 + ... + 20352.

It is an arithmetic number, because the mean of its divisors is an integer number (8448000).

Almost surely, 2^91082367 is an apocalyptic number.

91082367 is a deficient number, since it is larger than the sum of its proper divisors (44085633).

91082367 is a wasteful number, since it uses less digits than its factorization.

91082367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5787 (or 5781 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 91082367 is about 9543.7082415589. The cubic root of 91082367 is about 449.9298112751.

The spelling of 91082367 in words is "ninety-one million, eighty-two thousand, three hundred sixty-seven".