3855717868207 has 8 divisors (see below), whose sum is σ = 3873803065200. Its totient is φ = 3837662640384.

The previous prime is 3855717868193. The next prime is 3855717868213. The reversal of 3855717868207 is 7028687175583.

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 3855717868207 - 2³⁵ = 3821358129839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3855717868507) 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, 7234357 + ... + 7749022.

It is an arithmetic number, because the mean of its divisors is an integer number (484225383150).

Almost surely, 2^{3855717868207} is an apocalyptic number.

3855717868207 is a deficient number, since it is larger than the sum of its proper divisors (18085196993).

3855717868207 is a wasteful number, since it uses less digits than its factorization.

3855717868207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14984585.

The product of its (nonzero) digits is 158054400, while the sum is 67.

The spelling of 3855717868207 in words is "three trillion, eight hundred fifty-five billion, seven hundred seventeen million, eight hundred sixty-eight thousand, two hundred seven".