3878685357357 has 8 divisors (see below), whose sum is σ = 5171591273184. Its totient is φ = 2585784839888.

The previous prime is 3878685357319. The next prime is 3878685357389. The reversal of 3878685357357 is 7537535868783.

3878685357357 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 3878685357357 - 2³² = 3874390390061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3878685350357) 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, 829558 + ... + 2906120.

It is an arithmetic number, because the mean of its divisors is an integer number (646448909148).

Almost surely, 2^{3878685357357} is an apocalyptic number.

It is an amenable number.

3878685357357 is a deficient number, since it is larger than the sum of its proper divisors (1292905915827).

3878685357357 is a wasteful number, since it uses less digits than its factorization.

3878685357357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2699179.

The product of its digits is 3556224000, while the sum is 75.

The spelling of 3878685357357 in words is "three trillion, eight hundred seventy-eight billion, six hundred eighty-five million, three hundred fifty-seven thousand, three hundred fifty-seven".