91375768 has 24 divisors (see below), whose sum is σ = 187088580. Its totient is φ = 41493680.

The previous prime is 91375759. The next prime is 91375771. The reversal of 91375768 is 86757319.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 89163 + ... + 90181.

Almost surely, 2^91375768 is an apocalyptic number.

It is an amenable number.

91375768 is an abundant number, since it is smaller than the sum of its proper divisors (95712812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91375768 is a wasteful number, since it uses less digits than its factorization.

91375768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055 (or 1032 counting only the distinct ones).

The product of its digits is 317520, while the sum is 46.

The square root of 91375768 is about 9559.0673185201. The cubic root of 91375768 is about 450.4124087581.

The spelling of 91375768 in words is "ninety-one million, three hundred seventy-five thousand, seven hundred sixty-eight".