91104307 has 4 divisors (see below), whose sum is σ = 104119216. Its totient is φ = 78089400.

The previous prime is 91104287. The next prime is 91104313. The reversal of 91104307 is 70340119.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 91104307 - 2¹⁹ = 90580019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91104317) 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 3 ways as a sum of consecutive naturals, for example, 6507444 + ... + 6507457.

It is an arithmetic number, because the mean of its divisors is an integer number (26029804).

Almost surely, 2^91104307 is an apocalyptic number.

91104307 is a deficient number, since it is larger than the sum of its proper divisors (13014909).

91104307 is a wasteful number, since it uses less digits than its factorization.

91104307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13014908.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 91104307 is about 9544.8576207296. The cubic root of 91104307 is about 449.9659348699.

The spelling of 91104307 in words is "ninety-one million, one hundred four thousand, three hundred seven".