3851378706 has 32 divisors (see below), whose sum is σ = 9017866368. Its totient is φ = 1073554560.

The previous prime is 3851378701. The next prime is 3851378731. The reversal of 3851378706 is 6078731583.

It is not an unprimeable number, because it can be changed into a prime (3851378701) 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, 1116565 + ... + 1120008.

It is an arithmetic number, because the mean of its divisors is an integer number (281808324).

Almost surely, 2^3851378706 is an apocalyptic number.

3851378706 is an abundant number, since it is smaller than the sum of its proper divisors (5166487662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3851378706 is a wasteful number, since it uses less digits than its factorization.

3851378706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2236626.

The product of its (nonzero) digits is 846720, while the sum is 48.

The square root of 3851378706 is about 62059.4771650551. The cubic root of 3851378706 is about 1567.4922717607.

The spelling of 3851378706 in words is "three billion, eight hundred fifty-one million, three hundred seventy-eight thousand, seven hundred six".