3872805822 has 24 divisors (see below), whose sum is σ = 8393750040. Its totient is φ = 1290524400.

The previous prime is 3872805817. The next prime is 3872805857. The reversal of 3872805822 is 2285082783.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26829 + ... + 92007.

It is an arithmetic number, because the mean of its divisors is an integer number (349739585).

Almost surely, 2^3872805822 is an apocalyptic number.

3872805822 is an abundant number, since it is smaller than the sum of its proper divisors (4520944218).

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

3872805822 is a wasteful number, since it uses less digits than its factorization.

3872805822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68488 (or 68485 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The square root of 3872805822 is about 62231.8714325706. The cubic root of 3872805822 is about 1570.3938079287.

The spelling of 3872805822 in words is "three billion, eight hundred seventy-two million, eight hundred five thousand, eight hundred twenty-two".