91824122882 has 18 divisors (see below), whose sum is σ = 138355409673. Its totient is φ = 45706575552.

The previous prime is 91824122833. The next prime is 91824122947. The reversal of 91824122882 is 28822142819.

It can be written as a sum of positive squares in 2 ways, for example, as 91010219041 + 813903841 = 301679^2 + 28529^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=214271.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 151275023 + ... + 151275629.

Almost surely, 2^91824122882 is an apocalyptic number.

91824122882 is a deficient number, since it is larger than the sum of its proper divisors (46531286791).

91824122882 is an frugal number, since it uses more digits than its factorization.

91824122882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922 (or 962 counting only the distinct ones).

The product of its digits is 294912, while the sum is 47.

The spelling of 91824122882 in words is "ninety-one billion, eight hundred twenty-four million, one hundred twenty-two thousand, eight hundred eighty-two".