91341187 has 16 divisors (see below), whose sum is σ = 111257280. Its totient is φ = 73202688.

The previous prime is 91341161. The next prime is 91341193. The reversal of 91341187 is 78114319.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91341187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91341127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16239 + ... + 21127.

It is an arithmetic number, because the mean of its divisors is an integer number (6953580).

Almost surely, 2^91341187 is an apocalyptic number.

91341187 is a deficient number, since it is larger than the sum of its proper divisors (19916093).

91341187 is a wasteful number, since it uses less digits than its factorization.

91341187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5070.

The product of its digits is 6048, while the sum is 34.

The square root of 91341187 is about 9557.2583411771. The cubic root of 91341187 is about 450.3555823254.

The spelling of 91341187 in words is "ninety-one million, three hundred forty-one thousand, one hundred eighty-seven".