84939541223 has 4 divisors (see below), whose sum is σ = 84957863640. Its totient is φ = 84921218808.

The previous prime is 84939541199. The next prime is 84939541243. The reversal of 84939541223 is 32214593948.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 84939541223 - 2¹⁰ = 84939540199 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 (84939541243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9154253 + ... + 9163526.

It is an arithmetic number, because the mean of its divisors is an integer number (21239465910).

Almost surely, 2^84939541223 is an apocalyptic number.

84939541223 is a deficient number, since it is larger than the sum of its proper divisors (18322417).

84939541223 is a wasteful number, since it uses less digits than its factorization.

84939541223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18322416.

The product of its digits is 1866240, while the sum is 50.

The spelling of 84939541223 in words is "eighty-four billion, nine hundred thirty-nine million, five hundred forty-one thousand, two hundred twenty-three".