3685775788 has 12 divisors (see below), whose sum is σ = 6600110440. Its totient is φ = 1800029952.

The previous prime is 3685775777. The next prime is 3685775789. The reversal of 3685775788 is 8875775863.

It is not an unprimeable number, because it can be changed into a prime (3685775789) 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, 10714293 + ... + 10714636.

Almost surely, 2^3685775788 is an apocalyptic number.

It is an amenable number.

3685775788 is a deficient number, since it is larger than the sum of its proper divisors (2914334652).

3685775788 is a wasteful number, since it uses less digits than its factorization.

3685775788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21428976 (or 21428974 counting only the distinct ones).

The product of its digits is 79027200, while the sum is 64.

The square root of 3685775788 is about 60710.5904105700. The cubic root of 3685775788 is about 1544.6958185983.

The spelling of 3685775788 in words is "three billion, six hundred eighty-five million, seven hundred seventy-five thousand, seven hundred eighty-eight".