91109675 has 12 divisors (see below), whose sum is σ = 114143736. Its totient is φ = 72134400.

The previous prime is 91109657. The next prime is 91109687. The reversal of 91109675 is 57690119.

It is not a de Polignac number, because 91109675 - 2⁶ = 91109611 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16361 + ... + 21210.

It is an arithmetic number, because the mean of its divisors is an integer number (9511978).

Almost surely, 2^91109675 is an apocalyptic number.

91109675 is a deficient number, since it is larger than the sum of its proper divisors (23034061).

91109675 is a wasteful number, since it uses less digits than its factorization.

91109675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37678 (or 37673 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 38.

The square root of 91109675 is about 9545.1388151247. The cubic root of 91109675 is about 449.9747722483.

The spelling of 91109675 in words is "ninety-one million, one hundred nine thousand, six hundred seventy-five".