3833778216 has 16 divisors (see below), whose sum is σ = 9584445600. Its totient is φ = 1277926064.

The previous prime is 3833778211. The next prime is 3833778227. The reversal of 3833778216 is 6128773383.

It is a super-2 number, since 2×3833778216² = 29395710818952285312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3833778211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79870356 + ... + 79870403.

It is an arithmetic number, because the mean of its divisors is an integer number (599027850).

Almost surely, 2^3833778216 is an apocalyptic number.

It is an amenable number.

3833778216 is an abundant number, since it is smaller than the sum of its proper divisors (5750667384).

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

3833778216 is a wasteful number, since it uses less digits than its factorization.

3833778216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159740768 (or 159740764 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 48.

The square root of 3833778216 is about 61917.5113840988. The cubic root of 3833778216 is about 1565.1008541128.

The spelling of 3833778216 in words is "three billion, eight hundred thirty-three million, seven hundred seventy-eight thousand, two hundred sixteen".