88191 has 12 divisors (see below), whose sum is σ = 131040. Its totient is φ = 57120.

The previous prime is 88177. The next prime is 88211. The reversal of 88191 is 19188.

It is not a de Polignac number, because 88191 - 2⁹ = 87679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88591) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 250 + ... + 488.

It is an arithmetic number, because the mean of its divisors is an integer number (10920).

2⁸⁸¹⁹¹ is an apocalyptic number.

88191 is a deficient number, since it is larger than the sum of its proper divisors (42849).

88191 is a wasteful number, since it uses less digits than its factorization.

88191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 283 counting only the distinct ones).

The product of its digits is 576, while the sum is 27.

The square root of 88191 is about 296.9696954236. The cubic root of 88191 is about 44.5117588754.

The spelling of 88191 in words is "eighty-eight thousand, one hundred ninety-one".