3685775799 has 4 divisors (see below), whose sum is σ = 4914367736. Its totient is φ = 2457183864.

The previous prime is 3685775789. The next prime is 3685775887. The reversal of 3685775799 is 9975775863.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3685775799 - 2⁸ = 3685775543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3685775749) 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, 614295964 + ... + 614295969.

It is an arithmetic number, because the mean of its divisors is an integer number (1228591934).

Almost surely, 2^3685775799 is an apocalyptic number.

3685775799 is a deficient number, since it is larger than the sum of its proper divisors (1228591937).

3685775799 is a wasteful number, since it uses less digits than its factorization.

3685775799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228591936.

The product of its digits is 100018800, while the sum is 66.

The square root of 3685775799 is about 60710.5905011638. The cubic root of 3685775799 is about 1544.6958201350.

The spelling of 3685775799 in words is "three billion, six hundred eighty-five million, seven hundred seventy-five thousand, seven hundred ninety-nine".