84068831566 has 8 divisors (see below), whose sum is σ = 126626498064. Its totient is φ = 41859998880.

The previous prime is 84068831563. The next prime is 84068831611. The reversal of 84068831566 is 66513886048.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84068831563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87207850 + ... + 87208813.

It is an arithmetic number, because the mean of its divisors is an integer number (15828312258).

Almost surely, 2^84068831566 is an apocalyptic number.

84068831566 is a deficient number, since it is larger than the sum of its proper divisors (42557666498).

84068831566 is a wasteful number, since it uses less digits than its factorization.

84068831566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174416906.

The product of its (nonzero) digits is 6635520, while the sum is 55.

The spelling of 84068831566 in words is "eighty-four billion, sixty-eight million, eight hundred thirty-one thousand, five hundred sixty-six".