91317029 has 8 divisors (see below), whose sum is σ = 92754720. Its totient is φ = 89890000.

The previous prime is 91317011. The next prime is 91317043. The reversal of 91317029 is 92071319.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 91317029 - 2⁸ = 91316773 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 91316986 and 91317004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91317089) 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 7 ways as a sum of consecutive naturals, for example, 15554 + ... + 20604.

It is an arithmetic number, because the mean of its divisors is an integer number (11594340).

Almost surely, 2^91317029 is an apocalyptic number.

It is an amenable number.

91317029 is a deficient number, since it is larger than the sum of its proper divisors (1437691).

91317029 is a wasteful number, since it uses less digits than its factorization.

91317029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5331.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 91317029 is about 9555.9944014215. The cubic root of 91317029 is about 450.3158753403.

The spelling of 91317029 in words is "ninety-one million, three hundred seventeen thousand, twenty-nine".