91675085 has 24 divisors (see below), whose sum is σ = 115486560. Its totient is φ = 69839424.

The previous prime is 91675063. The next prime is 91675093. The reversal of 91675085 is 58057619.

It is not a de Polignac number, because 91675085 - 2⁶ = 91675021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 403742 + ... + 403968.

It is an arithmetic number, because the mean of its divisors is an integer number (4811940).

Almost surely, 2^91675085 is an apocalyptic number.

It is an amenable number.

91675085 is a deficient number, since it is larger than the sum of its proper divisors (23811475).

91675085 is a wasteful number, since it uses less digits than its factorization.

91675085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 91675085 is about 9574.7107005904. The cubic root of 91675085 is about 450.9036737721.

The spelling of 91675085 in words is "ninety-one million, six hundred seventy-five thousand, eighty-five".