3685775808 has 112 divisors (see below), whose sum is σ = 11456919936. Its totient is φ = 1030978560.

The previous prime is 3685775789. The next prime is 3685775887. The reversal of 3685775808 is 8085775863.

3685775808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39666 + ... + 94577.

It is an arithmetic number, because the mean of its divisors is an integer number (102293928).

Almost surely, 2^3685775808 is an apocalyptic number.

It is an amenable number.

3685775808 is an abundant number, since it is smaller than the sum of its proper divisors (7771144128).

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

3685775808 is a wasteful number, since it uses less digits than its factorization.

3685775808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134282 (or 134272 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 57.

The square root of 3685775808 is about 60710.5905752860. The cubic root of 3685775808 is about 1544.6958213922.

The spelling of 3685775808 in words is "three billion, six hundred eighty-five million, seven hundred seventy-five thousand, eight hundred eight".