91313875 has 16 divisors (see below), whose sum is σ = 115532352. Its totient is φ = 72043200.

The previous prime is 91313843. The next prime is 91313909. The reversal of 91313875 is 57831319.

It is a happy number.

It is not a de Polignac number, because 91313875 - 2⁵ = 91313843 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, 4122 + ... + 14128.

It is an arithmetic number, because the mean of its divisors is an integer number (7220772).

Almost surely, 2^91313875 is an apocalyptic number.

91313875 is a deficient number, since it is larger than the sum of its proper divisors (24218477).

91313875 is a wasteful number, since it uses less digits than its factorization.

91313875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10095 (or 10085 counting only the distinct ones).

The product of its digits is 22680, while the sum is 37.

The square root of 91313875 is about 9555.8293726918. The cubic root of 91313875 is about 450.3106907921.

The spelling of 91313875 in words is "ninety-one million, three hundred thirteen thousand, eight hundred seventy-five".