84066335231 has 4 divisors (see below), whose sum is σ = 89011413792. Its totient is φ = 79121256672.

The previous prime is 84066335203. The next prime is 84066335233. The reversal of 84066335231 is 13253366048.

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 84066335231 - 2⁶ = 84066335167 is a prime.

It is a super-2 number, since 2×84066335231² (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 (84066335233) 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, 2472539255 + ... + 2472539288.

It is an arithmetic number, because the mean of its divisors is an integer number (22252853448).

Almost surely, 2^84066335231 is an apocalyptic number.

84066335231 is a deficient number, since it is larger than the sum of its proper divisors (4945078561).

84066335231 is a wasteful number, since it uses less digits than its factorization.

84066335231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4945078560.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 84066335231 in words is "eighty-four billion, sixty-six million, three hundred thirty-five thousand, two hundred thirty-one".