91882256584441 has 4 divisors (see below), whose sum is σ = 94123287232884. Its totient is φ = 89641225936000.

The previous prime is 91882256584411. The next prime is 91882256584451. The reversal of 91882256584441 is 14448565228819.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7372772631225 + 84509483953216 = 2715285^2 + 9192904^2 .

It is a cyclic number.

It is not a de Polignac number, because 91882256584441 - 2¹¹ = 91882256582393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91882256584411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1120515324160 + ... + 1120515324241.

It is an arithmetic number, because the mean of its divisors is an integer number (23530821808221).

Almost surely, 2^{91882256584441} is an apocalyptic number.

It is an amenable number.

91882256584441 is a deficient number, since it is larger than the sum of its proper divisors (2241030648443).

91882256584441 is a wasteful number, since it uses less digits than its factorization.

91882256584441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241030648442.

The product of its digits is 176947200, while the sum is 67.

The spelling of 91882256584441 in words is "ninety-one trillion, eight hundred eighty-two billion, two hundred fifty-six million, five hundred eighty-four thousand, four hundred forty-one".