3828856669220 has 24 divisors (see below), whose sum is σ = 8771562551808. Its totient is φ = 1392311516000.

The previous prime is 3828856669177. The next prime is 3828856669237. The reversal of 3828856669220 is 229666588283.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8701946756 + ... + 8701947195.

It is an arithmetic number, because the mean of its divisors is an integer number (365481772992).

Almost surely, 2^{3828856669220} is an apocalyptic number.

It is an amenable number.

3828856669220 is an abundant number, since it is smaller than the sum of its proper divisors (4942705882588).

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

3828856669220 is a wasteful number, since it uses less digits than its factorization.

3828856669220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17403893971 (or 17403893969 counting only the distinct ones).

The product of its (nonzero) digits is 119439360, while the sum is 65.

The spelling of 3828856669220 in words is "three trillion, eight hundred twenty-eight billion, eight hundred fifty-six million, six hundred sixty-nine thousand, two hundred twenty".