91296871 has 8 divisors (see below), whose sum is σ = 94507520. Its totient is φ = 88125408.

The previous prime is 91296857. The next prime is 91296883. The reversal of 91296871 is 17869219.

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 91296871 - 2⁵ = 91296839 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 (91296811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5016 + ... + 14413.

It is an arithmetic number, because the mean of its divisors is an integer number (11813440).

Almost surely, 2^91296871 is an apocalyptic number.

91296871 is a deficient number, since it is larger than the sum of its proper divisors (3210649).

91296871 is a wasteful number, since it uses less digits than its factorization.

91296871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19593.

The product of its digits is 54432, while the sum is 43.

The square root of 91296871 is about 9554.9396125774. The cubic root of 91296871 is about 450.2827375435.

The spelling of 91296871 in words is "ninety-one million, two hundred ninety-six thousand, eight hundred seventy-one".