3785856680 has 16 divisors (see below), whose sum is σ = 8518177620. Its totient is φ = 1514342656.

The previous prime is 3785856643. The next prime is 3785856689. The reversal of 3785856680 is 866585873.

3785856680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3693965284 + 91891396 = 60778^2 + 9586^2 .

It is not an unprimeable number, because it can be changed into a prime (3785856689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47323169 + ... + 47323248.

Almost surely, 2^3785856680 is an apocalyptic number.

It is an amenable number.

3785856680 is an abundant number, since it is smaller than the sum of its proper divisors (4732320940).

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

3785856680 is a wasteful number, since it uses less digits than its factorization.

3785856680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94646428 (or 94646424 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 56.

The square root of 3785856680 is about 61529.3156145914. The cubic root of 3785856680 is about 1558.5523333027.

The spelling of 3785856680 in words is "three billion, seven hundred eighty-five million, eight hundred fifty-six thousand, six hundred eighty".