3781877256606 has 32 divisors (see below), whose sum is σ = 7642148871168. Its totient is φ = 1247583807360.

The previous prime is 3781877256589. The next prime is 3781877256607. The reversal of 3781877256606 is 6066527781873.

3781877256606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3781877256607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2335915 + ... + 3608358.

It is an arithmetic number, because the mean of its divisors is an integer number (238817152224).

Almost surely, 2^{3781877256606} is an apocalyptic number.

3781877256606 is an abundant number, since it is smaller than the sum of its proper divisors (3860271614562).

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

3781877256606 is a wasteful number, since it uses less digits than its factorization.

3781877256606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5945376.

The product of its (nonzero) digits is 142248960, while the sum is 66.

The spelling of 3781877256606 in words is "three trillion, seven hundred eighty-one billion, eight hundred seventy-seven million, two hundred fifty-six thousand, six hundred six".