3985167822 has 8 divisors (see below), whose sum is σ = 7970335656. Its totient is φ = 1328389272.

The previous prime is 3985167821. The next prime is 3985167827. The reversal of 3985167822 is 2287615893.

It is a sphenic number, since it is the product of 3 distinct primes.

3985167822 is an admirable number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3985167821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332097313 + ... + 332097324.

It is an arithmetic number, because the mean of its divisors is an integer number (996291957).

Almost surely, 2^3985167822 is an apocalyptic number.

3985167822 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3985167822 is a wasteful number, since it uses less digits than its factorization.

3985167822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664194642.

The product of its digits is 1451520, while the sum is 51.

The square root of 3985167822 is about 63128.1856384294. The cubic root of 3985167822 is about 1585.4365705889.

The spelling of 3985167822 in words is "three billion, nine hundred eighty-five million, one hundred sixty-seven thousand, eight hundred twenty-two".