3806775691 has 4 divisors (see below), whose sum is σ = 3814405000. Its totient is φ = 3799146384.

The previous prime is 3806775671. The next prime is 3806775751. The reversal of 3806775691 is 1965776083.

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

It is a cyclic number.

It is not a de Polignac number, because 3806775691 - 2¹¹ = 3806773643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3806775631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3813906 + ... + 3814903.

It is an arithmetic number, because the mean of its divisors is an integer number (953601250).

Almost surely, 2^3806775691 is an apocalyptic number.

3806775691 is a deficient number, since it is larger than the sum of its proper divisors (7629309).

3806775691 is an equidigital number, since it uses as much as digits as its factorization.

3806775691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7629308.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The square root of 3806775691 is about 61699.0736640349. The cubic root of 3806775691 is about 1561.4176914936.

The spelling of 3806775691 in words is "three billion, eight hundred six million, seven hundred seventy-five thousand, six hundred ninety-one".