84336868211 has 4 divisors (see below), whose sum is σ = 88003688592. Its totient is φ = 80670047832.

The previous prime is 84336868207. The next prime is 84336868223. The reversal of 84336868211 is 11286863348.

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

It is not a de Polignac number, because 84336868211 - 2² = 84336868207 is a prime.

It is a super-2 number, since 2×84336868211² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84336868211.

It is not an unprimeable number, because it can be changed into a prime (84336868261) by changing a digit.

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, 1833410156 + ... + 1833410201.

It is an arithmetic number, because the mean of its divisors is an integer number (22000922148).

Almost surely, 2^84336868211 is an apocalyptic number.

84336868211 is a deficient number, since it is larger than the sum of its proper divisors (3666820381).

84336868211 is a wasteful number, since it uses less digits than its factorization.

84336868211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3666820380.

The product of its digits is 1327104, while the sum is 50.

The spelling of 84336868211 in words is "eighty-four billion, three hundred thirty-six million, eight hundred sixty-eight thousand, two hundred eleven".