3778808045 has 16 divisors (see below), whose sum is σ = 4626253440. Its totient is φ = 2962075584.

The previous prime is 3778808021. The next prime is 3778808057. The reversal of 3778808045 is 5408088773.

It is a cyclic number.

It is not a de Polignac number, because 3778808045 - 2⁸ = 3778807789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3778807984 and 3778808002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199496 + ... + 217614.

It is an arithmetic number, because the mean of its divisors is an integer number (289140840).

Almost surely, 2^3778808045 is an apocalyptic number.

It is an amenable number.

3778808045 is a deficient number, since it is larger than the sum of its proper divisors (847445395).

3778808045 is a wasteful number, since it uses less digits than its factorization.

3778808045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18964.

The product of its (nonzero) digits is 1505280, while the sum is 50.

The square root of 3778808045 is about 61472.0102567014. The cubic root of 3778808045 is about 1557.5844773814.

The spelling of 3778808045 in words is "three billion, seven hundred seventy-eight million, eight hundred eight thousand, forty-five".