3778331747 has 8 divisors (see below), whose sum is σ = 3807530496. Its totient is φ = 3749211592.

The previous prime is 3778331743. The next prime is 3778331771. The reversal of 3778331747 is 7471338773.

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

It is a cyclic number.

It is not a de Polignac number, because 3778331747 - 2² = 3778331743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3778331695 and 3778331704.

It is not an unprimeable number, because it can be changed into a prime (3778331743) 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, 78758 + ... + 117300.

It is an arithmetic number, because the mean of its divisors is an integer number (475941312).

Almost surely, 2^3778331747 is an apocalyptic number.

3778331747 is a deficient number, since it is larger than the sum of its proper divisors (29198749).

3778331747 is a wasteful number, since it uses less digits than its factorization.

3778331747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39297.

The product of its digits is 2074464, while the sum is 50.

The square root of 3778331747 is about 61468.1360299790. The cubic root of 3778331747 is about 1557.5190329754.

The spelling of 3778331747 in words is "three billion, seven hundred seventy-eight million, three hundred thirty-one thousand, seven hundred forty-seven".