3957868884997 has 8 divisors (see below), whose sum is σ = 3965304420000. Its totient is φ = 3950435708304.

The previous prime is 3957868884989. The next prime is 3957868885123. The reversal of 3957868884997 is 7994888687593.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3957868884997 - 2³ = 3957868884989 is a prime.

It is a super-2 number, since 2×3957868884997² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3957868888997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2788254 + ... + 3961072.

It is an arithmetic number, because the mean of its divisors is an integer number (495663052500).

Almost surely, 2^{3957868884997} is an apocalyptic number.

It is an amenable number.

3957868884997 is a deficient number, since it is larger than the sum of its proper divisors (7435535003).

3957868884997 is a wasteful number, since it uses less digits than its factorization.

3957868884997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179155.

The product of its digits is 52672757760, while the sum is 91.

The spelling of 3957868884997 in words is "three trillion, nine hundred fifty-seven billion, eight hundred sixty-eight million, eight hundred eighty-four thousand, nine hundred ninety-seven".