3781603378 has 32 divisors (see below), whose sum is σ = 6679393920. Its totient is φ = 1572255360.

The previous prime is 3781603373. The next prime is 3781603391. The reversal of 3781603378 is 8733061873.

It is not an unprimeable number, because it can be changed into a prime (3781603373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32013 + ... + 92671.

It is an arithmetic number, because the mean of its divisors is an integer number (208731060).

Almost surely, 2^3781603378 is an apocalyptic number.

3781603378 is a deficient number, since it is larger than the sum of its proper divisors (2897790542).

3781603378 is a wasteful number, since it uses less digits than its factorization.

3781603378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60802.

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 3781603378 is about 61494.7426858589. The cubic root of 3781603378 is about 1557.9684515587.

The spelling of 3781603378 in words is "three billion, seven hundred eighty-one million, six hundred three thousand, three hundred seventy-eight".