3856073866738 has 64 divisors (see below), whose sum is σ = 6305947200000. Its totient is φ = 1761604441344.

The previous prime is 3856073866727. The next prime is 3856073866739. The reversal of 3856073866738 is 8376683706583.

It is not an unprimeable number, because it can be changed into a prime (3856073866739) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 582573193 + ... + 582579811.

It is an arithmetic number, because the mean of its divisors is an integer number (98530425000).

Almost surely, 2^{3856073866738} is an apocalyptic number.

3856073866738 is a deficient number, since it is larger than the sum of its proper divisors (2449873333262).

3856073866738 is a wasteful number, since it uses less digits than its factorization.

3856073866738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10279.

The product of its (nonzero) digits is 731566080, while the sum is 70.

The spelling of 3856073866738 in words is "three trillion, eight hundred fifty-six billion, seventy-three million, eight hundred sixty-six thousand, seven hundred thirty-eight".