91875267 has 24 divisors (see below), whose sum is σ = 145075008. Its totient is φ = 55566000.

The previous prime is 91875263. The next prime is 91875281. The reversal of 91875267 is 76257819.

It is not a de Polignac number, because 91875267 - 2² = 91875263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91875263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86892 + ... + 87942.

It is an arithmetic number, because the mean of its divisors is an integer number (6044792).

Almost surely, 2^91875267 is an apocalyptic number.

91875267 is a deficient number, since it is larger than the sum of its proper divisors (53199741).

91875267 is a wasteful number, since it uses less digits than its factorization.

91875267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951 (or 1948 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 91875267 is about 9585.1586841325. The cubic root of 91875267 is about 451.2316333969.

It can be divided in two parts, 918752 and 67, that added together give a palindrome (918819).

The spelling of 91875267 in words is "ninety-one million, eight hundred seventy-five thousand, two hundred sixty-seven".