91716854 has 8 divisors (see below), whose sum is σ = 137648160. Its totient is φ = 45834136.

The previous prime is 91716839. The next prime is 91716883. The reversal of 91716854 is 45861719.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6989 + ... + 15240.

It is an arithmetic number, because the mean of its divisors is an integer number (17206020).

Almost surely, 2^91716854 is an apocalyptic number.

91716854 is a deficient number, since it is larger than the sum of its proper divisors (45931306).

91716854 is a wasteful number, since it uses less digits than its factorization.

91716854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24294.

The product of its digits is 60480, while the sum is 41.

The square root of 91716854 is about 9576.8916669241. The cubic root of 91716854 is about 450.9721436147.

It can be divided in two parts, 917 and 16854, that added together give a palindrome (17771).

The spelling of 91716854 in words is "ninety-one million, seven hundred sixteen thousand, eight hundred fifty-four".