91363383 has 28 divisors (see below), whose sum is σ = 142964400. Its totient is φ = 58250016.

The previous prime is 91363367. The next prime is 91363387. The reversal of 91363383 is 38336319.

91363383 is a `hidden beast` number, since 9 + 13 + 633 + 8 + 3 = 666.

It is not a de Polignac number, because 91363383 - 2⁴ = 91363367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91363387) 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 27 ways as a sum of consecutive naturals, for example, 14043 + ... + 19491.

Almost surely, 2^91363383 is an apocalyptic number.

91363383 is a deficient number, since it is larger than the sum of its proper divisors (51601017).

91363383 is an equidigital number, since it uses as much as digits as its factorization.

91363383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5490 (or 5475 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 91363383 is about 9558.4194823203. The cubic root of 91363383 is about 450.3920583236.

The spelling of 91363383 in words is "ninety-one million, three hundred sixty-three thousand, three hundred eighty-three".