3957868884916 has 24 divisors (see below), whose sum is σ = 7150439632896. Its totient is φ = 1914899364960.

The previous prime is 3957868884911. The next prime is 3957868884923. The reversal of 3957868884916 is 6194888687593.

It is a super-2 number, since 2×3957868884916² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3957868884916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3957868884911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449236 + ... + 2849131.

It is an arithmetic number, because the mean of its divisors is an integer number (297934984704).

Almost surely, 2^{3957868884916} is an apocalyptic number.

It is an amenable number.

3957868884916 is a deficient number, since it is larger than the sum of its proper divisors (3192570747980).

3957868884916 is a wasteful number, since it uses less digits than its factorization.

3957868884916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3308079 (or 3308077 counting only the distinct ones).

The product of its digits is 5016453120, while the sum is 82.

The spelling of 3957868884916 in words is "three trillion, nine hundred fifty-seven billion, eight hundred sixty-eight million, eight hundred eighty-four thousand, nine hundred sixteen".