3871213016 has 96 divisors (see below), whose sum is σ = 8302392000. Its totient is φ = 1688924160.

The previous prime is 3871212997. The next prime is 3871213037. The reversal of 3871213016 is 6103121783.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6708920 + ... + 6709496.

It is an arithmetic number, because the mean of its divisors is an integer number (86483250).

Almost surely, 2^3871213016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3871213016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4151196000).

3871213016 is an abundant number, since it is smaller than the sum of its proper divisors (4431178984).

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

3871213016 is a wasteful number, since it uses less digits than its factorization.

3871213016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873 (or 858 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 3871213016 is about 62219.0727671186. The cubic root of 3871213016 is about 1570.1784880987.

Adding to 3871213016 its reverse (6103121783), we get a palindrome (9974334799).

The spelling of 3871213016 in words is "three billion, eight hundred seventy-one million, two hundred thirteen thousand, sixteen".