3685775863 has 8 divisors (see below), whose sum is σ = 4595253120. Its totient is φ = 2872033080.

The previous prime is 3685775789. The next prime is 3685775887.

3685775863 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 3685775863 - 2⁹ = 3685775351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3685775798 and 3685775807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3685775563) 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, 23933533 + ... + 23933686.

It is an arithmetic number, because the mean of its divisors is an integer number (574406640).

Almost surely, 2^3685775863 is an apocalyptic number.

3685775863 is a deficient number, since it is larger than the sum of its proper divisors (909477257).

3685775863 is a wasteful number, since it uses less digits than its factorization.

3685775863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47867237.

The product of its digits is 25401600, while the sum is 58.

The square root of 3685775863 is about 60710.5910282547. The cubic root of 3685775863 is about 1544.6958290757.

The spelling of 3685775863 in words is "three billion, six hundred eighty-five million, seven hundred seventy-five thousand, eight hundred sixty-three".