91548871 has 8 divisors (see below), whose sum is σ = 93407040. Its totient is φ = 89709312.

The previous prime is 91548851. The next prime is 91548881. The reversal of 91548871 is 17884519.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 91548871 - 2²⁵ = 57994439 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 (91548851) 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, 5506 + ... + 14608.

It is an arithmetic number, because the mean of its divisors is an integer number (11675880).

Almost surely, 2^91548871 is an apocalyptic number.

91548871 is a deficient number, since it is larger than the sum of its proper divisors (1858169).

91548871 is a wasteful number, since it uses less digits than its factorization.

91548871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9305.

The product of its digits is 80640, while the sum is 43.

The square root of 91548871 is about 9568.1174219383. The cubic root of 91548871 is about 450.6966509899.

The spelling of 91548871 in words is "ninety-one million, five hundred forty-eight thousand, eight hundred seventy-one".