84223655319 has 16 divisors (see below), whose sum is σ = 114347082752. Its totient is φ = 55131565248.

The previous prime is 84223655309. The next prime is 84223655323. The reversal of 84223655319 is 91355632248.

It is not a de Polignac number, because 84223655319 - 2¹² = 84223651223 is a prime.

It is a super-2 number, since 2×84223655319² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84223655309) 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 15 ways as a sum of consecutive naturals, for example, 813457 + ... + 911130.

It is an arithmetic number, because the mean of its divisors is an integer number (7146692672).

Almost surely, 2^84223655319 is an apocalyptic number.

84223655319 is a deficient number, since it is larger than the sum of its proper divisors (30123427433).

84223655319 is a wasteful number, since it uses less digits than its factorization.

84223655319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724886.

The product of its digits is 1555200, while the sum is 48.

The spelling of 84223655319 in words is "eighty-four billion, two hundred twenty-three million, six hundred fifty-five thousand, three hundred nineteen".