91363085 has 16 divisors (see below), whose sum is σ = 120794112. Its totient is φ = 65784000.

The previous prime is 91363073. The next prime is 91363091. The reversal of 91363085 is 58036319.

It is not a de Polignac number, because 91363085 - 2²⁴ = 74585869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 2669 + ... + 13778.

It is an arithmetic number, because the mean of its divisors is an integer number (7549632).

Almost surely, 2^91363085 is an apocalyptic number.

It is an amenable number.

91363085 is a deficient number, since it is larger than the sum of its proper divisors (29431027).

91363085 is a wasteful number, since it uses less digits than its factorization.

91363085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16564.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 91363085 is about 9558.4038939564. The cubic root of 91363085 is about 450.3915686417.

It can be divided in two parts, 9136 and 3085, that added together give a palindrome (12221).

The spelling of 91363085 in words is "ninety-one million, three hundred sixty-three thousand, eighty-five".