91797103 has 4 divisors (see below), whose sum is σ = 91833448. Its totient is φ = 91760760.

The previous prime is 91797091. The next prime is 91797109. The reversal of 91797103 is 30179719.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30179719 = 191 ⋅158009.

It is a cyclic number.

It is not a de Polignac number, because 91797103 - 2¹³ = 91788911 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 (91797109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14076 + ... + 19537.

It is an arithmetic number, because the mean of its divisors is an integer number (22958362).

Almost surely, 2^91797103 is an apocalyptic number.

91797103 is a deficient number, since it is larger than the sum of its proper divisors (36345).

91797103 is a wasteful number, since it uses less digits than its factorization.

91797103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36344.

The product of its (nonzero) digits is 11907, while the sum is 37.

The square root of 91797103 is about 9581.0804714291. The cubic root of 91797103 is about 451.1036334921.

The spelling of 91797103 in words is "ninety-one million, seven hundred ninety-seven thousand, one hundred three".