84058440205 has 4 divisors (see below), whose sum is σ = 100870128252. Its totient is φ = 67246752160.

The previous prime is 84058440181. The next prime is 84058440211. The reversal of 84058440205 is 50204485048.

It is a happy number.

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 33061057929 + 50997382276 = 181827^2 + 225826^2 .

It is not a de Polignac number, because 84058440205 - 2⁵ = 84058440173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8405844016 + ... + 8405844025.

It is an arithmetic number, because the mean of its divisors is an integer number (25217532063).

Almost surely, 2^84058440205 is an apocalyptic number.

It is an amenable number.

84058440205 is a deficient number, since it is larger than the sum of its proper divisors (16811688047).

84058440205 is a wasteful number, since it uses less digits than its factorization.

84058440205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16811688046.

The product of its (nonzero) digits is 204800, while the sum is 40.

The spelling of 84058440205 in words is "eighty-four billion, fifty-eight million, four hundred forty thousand, two hundred five".