3685775807 has 8 divisors (see below), whose sum is σ = 4213502496. Its totient is φ = 3158345952.

The previous prime is 3685775789. The next prime is 3685775887. The reversal of 3685775807 is 7085775863.

3685775807 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3685775807 - 2²⁶ = 3618666943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3685775887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46928 + ... + 97845.

It is an arithmetic number, because the mean of its divisors is an integer number (526687812).

Almost surely, 2^3685775807 is an apocalyptic number.

3685775807 is a deficient number, since it is larger than the sum of its proper divisors (527726689).

3685775807 is a wasteful number, since it uses less digits than its factorization.

3685775807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148417.

The product of its (nonzero) digits is 9878400, while the sum is 56.

The square root of 3685775807 is about 60710.5905670502. The cubic root of 3685775807 is about 1544.6958212526.

Adding to 3685775807 its sum of digits (56), we get a palindrome (3685775863).

The spelling of 3685775807 in words is "three billion, six hundred eighty-five million, seven hundred seventy-five thousand, eight hundred seven".