3686770688 has 72 divisors (see below), whose sum is σ = 7832137950. Its totient is φ = 1734672384.

The previous prime is 3686770673. The next prime is 3686770699. The reversal of 3686770688 is 8860776863.

3686770688 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 3 ways, for example, as 3653960704 + 32809984 = 60448^2 + 5728^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 588758 + ... + 594986.

Almost surely, 2^3686770688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3686770688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3916068975).

3686770688 is an abundant number, since it is smaller than the sum of its proper divisors (4145367262).

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

3686770688 is an equidigital number, since it uses as much as digits as its factorization.

3686770688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6285 (or 6248 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 59.

The square root of 3686770688 is about 60718.7836505311. The cubic root of 3686770688 is about 1544.8347924717.

The spelling of 3686770688 in words is "three billion, six hundred eighty-six million, seven hundred seventy thousand, six hundred eighty-eight".