84668662240231 has 16 divisors (see below), whose sum is σ = 89797041612000. Its totient is φ = 79556813134848.

The previous prime is 84668662240223. The next prime is 84668662240247. The reversal of 84668662240231 is 13204226686648.

It is a happy number.

It is not a de Polignac number, because 84668662240231 - 2³ = 84668662240223 is a prime.

It is a super-2 number, since 2×84668662240231² (a number of 29 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 (84668662240831) 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, 25473820 + ... + 28605118.

It is an arithmetic number, because the mean of its divisors is an integer number (5612315100750).

Almost surely, 2^{84668662240231} is an apocalyptic number.

84668662240231 is a deficient number, since it is larger than the sum of its proper divisors (5128379371769).

84668662240231 is a wasteful number, since it uses less digits than its factorization.

84668662240231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3133938.

The product of its (nonzero) digits is 31850496, while the sum is 58.

The spelling of 84668662240231 in words is "eighty-four trillion, six hundred sixty-eight billion, six hundred sixty-two million, two hundred forty thousand, two hundred thirty-one".