3782505775 has 12 divisors (see below), whose sum is σ = 4691267200. Its totient is φ = 3025385280.

The previous prime is 3782505773. The next prime is 3782505803. The reversal of 3782505775 is 5775052873.

It is not a de Polignac number, because 3782505775 - 2¹ = 3782505773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3782505773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139531 + ... + 164419.

Almost surely, 2^3782505775 is an apocalyptic number.

3782505775 is a deficient number, since it is larger than the sum of its proper divisors (908761425).

3782505775 is a wasteful number, since it uses less digits than its factorization.

3782505775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30978 (or 30973 counting only the distinct ones).

The product of its (nonzero) digits is 2058000, while the sum is 49.

The square root of 3782505775 is about 61502.0794363898. The cubic root of 3782505775 is about 1558.0923667433.

The spelling of 3782505775 in words is "three billion, seven hundred eighty-two million, five hundred five thousand, seven hundred seventy-five".