3887051716685 has 8 divisors (see below), whose sum is σ = 4674199979520. Its totient is φ = 3103149427024.

The previous prime is 3887051716657. The next prime is 3887051716687. The reversal of 3887051716685 is 5866171507883.

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 3887051716685 - 2¹⁶ = 3887051651149 is a prime.

It is a super-3 number, since 3×3887051716685³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3887051716687) 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, 811490657 + ... + 811495446.

It is an arithmetic number, because the mean of its divisors is an integer number (584274997440).

Almost surely, 2^{3887051716685} is an apocalyptic number.

It is an amenable number.

3887051716685 is a deficient number, since it is larger than the sum of its proper divisors (787148262835).

3887051716685 is a wasteful number, since it uses less digits than its factorization.

3887051716685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622986587.

The product of its (nonzero) digits is 67737600, while the sum is 65.

The spelling of 3887051716685 in words is "three trillion, eight hundred eighty-seven billion, fifty-one million, seven hundred sixteen thousand, six hundred eighty-five".