3781387035 has 12 divisors (see below), whose sum is σ = 6554404272. Its totient is φ = 2016739728.

The previous prime is 3781387007. The next prime is 3781387063. The reversal of 3781387035 is 5307831873.

3781387035 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3781387007) and next prime (3781387063).

It is not a de Polignac number, because 3781387035 - 2¹⁴ = 3781370651 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 84030823 = 3781387035 / (3 + 7 + 8 + 1 + 3 + 8 + 7 + 0 + 3 + 5).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42015367 + ... + 42015456.

It is an arithmetic number, because the mean of its divisors is an integer number (546200356).

Almost surely, 2^3781387035 is an apocalyptic number.

3781387035 is a deficient number, since it is larger than the sum of its proper divisors (2773017237).

3781387035 is a wasteful number, since it uses less digits than its factorization.

3781387035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84030834 (or 84030831 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 3781387035 is about 61492.9836241502. The cubic root of 3781387035 is about 1557.9387408811.

The spelling of 3781387035 in words is "three billion, seven hundred eighty-one million, three hundred eighty-seven thousand, thirty-five".