83984841055 has 4 divisors (see below), whose sum is σ = 100781809272. Its totient is φ = 67187872840.

The previous prime is 83984841049. The next prime is 83984841091. The reversal of 83984841055 is 55014848938.

It is a happy number.

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

It is not a de Polignac number, because 83984841055 - 2²⁵ = 83951286623 is a prime.

It is a super-2 number, since 2×83984841055² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83984840987 and 83984841005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8398484101 + ... + 8398484110.

It is an arithmetic number, because the mean of its divisors is an integer number (25195452318).

Almost surely, 2^83984841055 is an apocalyptic number.

83984841055 is a deficient number, since it is larger than the sum of its proper divisors (16796968217).

83984841055 is a wasteful number, since it uses less digits than its factorization.

83984841055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16796968216.

The product of its (nonzero) digits is 5529600, while the sum is 55.

The spelling of 83984841055 in words is "eighty-three billion, nine hundred eighty-four million, eight hundred forty-one thousand, fifty-five".