83187687606 has 16 divisors (see below), whose sum is σ = 166378321200. Its totient is φ = 27728738208.

The previous prime is 83187687599. The next prime is 83187687623. The reversal of 83187687606 is 60678678138.

It is a super-2 number, since 2×83187687606² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 83187687606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449700 + ... + 607128.

It is an arithmetic number, because the mean of its divisors is an integer number (10398645075).

Almost surely, 2^83187687606 is an apocalyptic number.

83187687606 is an abundant number, since it is smaller than the sum of its proper divisors (83190633594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83187687606 is a wasteful number, since it uses less digits than its factorization.

83187687606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245503.

The product of its (nonzero) digits is 16257024, while the sum is 60.

The spelling of 83187687606 in words is "eighty-three billion, one hundred eighty-seven million, six hundred eighty-seven thousand, six hundred six".