91102093 has 8 divisors (see below), whose sum is σ = 96209600. Its totient is φ = 86025888.

The previous prime is 91102073. The next prime is 91102117. The reversal of 91102093 is 39020119.

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 91102093 - 2⁹ = 91101581 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 (91102003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1713 + ... + 13606.

It is an arithmetic number, because the mean of its divisors is an integer number (12026200).

Almost surely, 2^91102093 is an apocalyptic number.

It is an amenable number.

91102093 is a deficient number, since it is larger than the sum of its proper divisors (5107507).

91102093 is a wasteful number, since it uses less digits than its factorization.

91102093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15651.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 91102093 is about 9544.7416413437. The cubic root of 91102093 is about 449.9622898441.

The spelling of 91102093 in words is "ninety-one million, one hundred two thousand, ninety-three".