3785345556 has 24 divisors (see below), whose sum is σ = 9037880544. Its totient is φ = 1232437920.

The previous prime is 3785345539. The next prime is 3785345591. The reversal of 3785345556 is 6555435873.

3785345556 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3785345499 and 3785345508.

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, 3667455 + ... + 3668486.

It is an arithmetic number, because the mean of its divisors is an integer number (376578356).

Almost surely, 2^3785345556 is an apocalyptic number.

It is an amenable number.

3785345556 is an abundant number, since it is smaller than the sum of its proper divisors (5252534988).

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

3785345556 is a wasteful number, since it uses less digits than its factorization.

3785345556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7335991 (or 7335989 counting only the distinct ones).

The product of its digits is 7560000, while the sum is 51.

The square root of 3785345556 is about 61525.1619745938. The cubic root of 3785345556 is about 1558.4821907147.

The spelling of 3785345556 in words is "three billion, seven hundred eighty-five million, three hundred forty-five thousand, five hundred fifty-six".