91875271 has 8 divisors (see below), whose sum is σ = 97910784. Its totient is φ = 86009880.

The previous prime is 91875263. The next prime is 91875281. The reversal of 91875271 is 17257819.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 91875271 - 2³ = 91875263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91875221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41415 + ... + 43576.

It is an arithmetic number, because the mean of its divisors is an integer number (12238848).

Almost surely, 2^91875271 is an apocalyptic number.

91875271 is a deficient number, since it is larger than the sum of its proper divisors (6035513).

91875271 is a wasteful number, since it uses less digits than its factorization.

91875271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85061.

The product of its digits is 35280, while the sum is 40.

The square root of 91875271 is about 9585.1588927884. The cubic root of 91875271 is about 451.2316399453.

The spelling of 91875271 in words is "ninety-one million, eight hundred seventy-five thousand, two hundred seventy-one".