91104279 has 24 divisors (see below), whose sum is σ = 141724800. Its totient is φ = 51904944.

The previous prime is 91104263. The next prime is 91104281. The reversal of 91104279 is 97240119.

It is not a de Polignac number, because 91104279 - 2⁴ = 91104263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91104239) 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 23 ways as a sum of consecutive naturals, for example, 64422 + ... + 65820.

It is an arithmetic number, because the mean of its divisors is an integer number (5905200).

Almost surely, 2^91104279 is an apocalyptic number.

91104279 is a deficient number, since it is larger than the sum of its proper divisors (50620521).

91104279 is a wasteful number, since it uses less digits than its factorization.

91104279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859 (or 1852 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 91104279 is about 9544.8561539711. The cubic root of 91104279 is about 449.9658887724.

The spelling of 91104279 in words is "ninety-one million, one hundred four thousand, two hundred seventy-nine".