3803378805 has 24 divisors (see below), whose sum is σ = 6980320152. Its totient is φ = 1909146624.

The previous prime is 3803378801. The next prime is 3803378807. The reversal of 3803378805 is 5088733083.

It is a happy number.

3803378805 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 93837969 + 3709540836 = 9687^2 + 60906^2 .

It is not a de Polignac number, because 3803378805 - 2² = 3803378801 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3803378801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2485104 + ... + 2486633.

It is an arithmetic number, because the mean of its divisors is an integer number (290846673).

Almost surely, 2^3803378805 is an apocalyptic number.

It is an amenable number.

3803378805 is a deficient number, since it is larger than the sum of its proper divisors (3176941347).

3803378805 is a wasteful number, since it uses less digits than its factorization.

3803378805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4971765 (or 4971762 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 3803378805 is about 61671.5396678241. The cubic root of 3803378805 is about 1560.9531219357.

The spelling of 3803378805 in words is "three billion, eight hundred three million, three hundred seventy-eight thousand, eight hundred five".