3786765606 has 128 divisors (see below), whose sum is σ = 9713571840. Its totient is φ = 1083124224.

The previous prime is 3786765601. The next prime is 3786765673. The reversal of 3786765606 is 6065676873.

3786765606 is a `hidden beast` number, since 3 + 7 + 8 + 6 + 76 + 560 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3786765601) 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 63 ways as a sum of consecutive naturals, for example, 988611 + ... + 992433.

It is an arithmetic number, because the mean of its divisors is an integer number (75887280).

Almost surely, 2^3786765606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3786765606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4856785920).

3786765606 is an abundant number, since it is smaller than the sum of its proper divisors (5926806234).

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

3786765606 is a wasteful number, since it uses less digits than its factorization.

3786765606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3947 (or 3941 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 54.

The square root of 3786765606 is about 61536.7012928057. The cubic root of 3786765606 is about 1558.6770514756.

The spelling of 3786765606 in words is "three billion, seven hundred eighty-six million, seven hundred sixty-five thousand, six hundred six".