3957825716897 has 8 divisors (see below), whose sum is σ = 4287796449216. Its totient is φ = 3631501070352.

The previous prime is 3957825716893. The next prime is 3957825716899. The reversal of 3957825716897 is 7986175287593.

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 3957825716897 - 2² = 3957825716893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3957825716893) 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, 911519183 + ... + 911523524.

It is an arithmetic number, because the mean of its divisors is an integer number (535974556152).

Almost surely, 2^{3957825716897} is an apocalyptic number.

It is an amenable number.

3957825716897 is a deficient number, since it is larger than the sum of its proper divisors (329970732319).

3957825716897 is a wasteful number, since it uses less digits than its factorization.

3957825716897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823042887.

The product of its digits is 1600300800, while the sum is 77.

The spelling of 3957825716897 in words is "three trillion, nine hundred fifty-seven billion, eight hundred twenty-five million, seven hundred sixteen thousand, eight hundred ninety-seven".