3856363858220 has 12 divisors (see below), whose sum is σ = 8098364102304. Its totient is φ = 1542545543280.

The previous prime is 3856363858211. The next prime is 3856363858261. The reversal of 3856363858220 is 228583636583.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3856363858220.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96409096436 + ... + 96409096475.

It is an arithmetic number, because the mean of its divisors is an integer number (674863675192).

Almost surely, 2^{3856363858220} is an apocalyptic number.

It is an amenable number.

3856363858220 is an abundant number, since it is smaller than the sum of its proper divisors (4242000244084).

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

3856363858220 is a wasteful number, since it uses less digits than its factorization.

3856363858220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192818192920 (or 192818192918 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 59.

The spelling of 3856363858220 in words is "three trillion, eight hundred fifty-six billion, three hundred sixty-three million, eight hundred fifty-eight thousand, two hundred twenty".