91794863 has 8 divisors (see below), whose sum is σ = 96423936. Its totient is φ = 87219000.

The previous prime is 91794851. The next prime is 91794869. The reversal of 91794863 is 36849719.

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 91794863 - 2⁸ = 91794607 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 (91794869) 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 7 ways as a sum of consecutive naturals, for example, 9743 + ... + 16688.

It is an arithmetic number, because the mean of its divisors is an integer number (12052992).

Almost surely, 2^91794863 is an apocalyptic number.

91794863 is a deficient number, since it is larger than the sum of its proper divisors (4629073).

91794863 is a wasteful number, since it uses less digits than its factorization.

91794863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26605.

The product of its digits is 326592, while the sum is 47.

The square root of 91794863 is about 9580.9635736704. The cubic root of 91794863 is about 451.0999642392.

The spelling of 91794863 in words is "ninety-one million, seven hundred ninety-four thousand, eight hundred sixty-three".