91675585 has 16 divisors (see below), whose sum is σ = 115716096. Its totient is φ = 69588288.

The previous prime is 91675561. The next prime is 91675609. The reversal of 91675585 is 58557619.

It is an interprime number because it is at equal distance from previous prime (91675561) and next prime (91675609).

It is a cyclic number.

It is not a de Polignac number, because 91675585 - 2⁵ = 91675553 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11467 + ... + 17743.

It is an arithmetic number, because the mean of its divisors is an integer number (7232256).

Almost surely, 2^91675585 is an apocalyptic number.

It is an amenable number.

91675585 is a deficient number, since it is larger than the sum of its proper divisors (24040511).

91675585 is a wasteful number, since it uses less digits than its factorization.

91675585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6432.

The product of its digits is 378000, while the sum is 46.

The square root of 91675585 is about 9574.7368110043. The cubic root of 91675585 is about 450.9044935202.

The spelling of 91675585 in words is "ninety-one million, six hundred seventy-five thousand, five hundred eighty-five".