3862856202842 has 96 divisors (see below), whose sum is σ = 7410021509520. Its totient is φ = 1496540344320.

The previous prime is 3862856202839. The next prime is 3862856202901. The reversal of 3862856202842 is 2482026582683.

It can be written as a sum of positive squares in 8 ways, for example, as 1229639249881 + 2633216952961 = 1108891^2 + 1622719^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17687978 + ... + 17905034.

Almost surely, 2^{3862856202842} is an apocalyptic number.

3862856202842 is a deficient number, since it is larger than the sum of its proper divisors (3547165306678).

3862856202842 is a wasteful number, since it uses less digits than its factorization.

3862856202842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217376 (or 217369 counting only the distinct ones).

The product of its (nonzero) digits is 17694720, while the sum is 56.

The spelling of 3862856202842 in words is "three trillion, eight hundred sixty-two billion, eight hundred fifty-six million, two hundred two thousand, eight hundred forty-two".