84216466911 has 4 divisors (see below), whose sum is σ = 112288622552. Its totient is φ = 56144311272.

The previous prime is 84216466879. The next prime is 84216466921. The reversal of 84216466911 is 11966461248.

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

It is not a de Polignac number, because 84216466911 - 2⁵ = 84216466879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84216466921) 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, 14036077816 + ... + 14036077821.

It is an arithmetic number, because the mean of its divisors is an integer number (28072155638).

Almost surely, 2^84216466911 is an apocalyptic number.

84216466911 is a deficient number, since it is larger than the sum of its proper divisors (28072155641).

84216466911 is a wasteful number, since it uses less digits than its factorization.

84216466911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28072155640.

The product of its digits is 497664, while the sum is 48.

The spelling of 84216466911 in words is "eighty-four billion, two hundred sixteen million, four hundred sixty-six thousand, nine hundred eleven".