3862173746885 has 8 divisors (see below), whose sum is σ = 4794422582520. Its totient is φ = 2983196273344.

The previous prime is 3862173746867. The next prime is 3862173746947. The reversal of 3862173746885 is 5886473712683.

It can be written as a sum of positive squares in 4 ways, for example, as 1670713938721 + 2191459808164 = 1292561^2 + 1480358^2 .

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 3862173746885 - 2³⁶ = 3793454270149 is a prime.

It is a super-2 number, since 2×3862173746885² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13317840362 + ... + 13317840651.

It is an arithmetic number, because the mean of its divisors is an integer number (599302822815).

Almost surely, 2^{3862173746885} is an apocalyptic number.

It is an amenable number.

3862173746885 is a deficient number, since it is larger than the sum of its proper divisors (932248835635).

3862173746885 is a wasteful number, since it uses less digits than its factorization.

3862173746885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26635681047.

The product of its digits is 325140480, while the sum is 68.

The spelling of 3862173746885 in words is "three trillion, eight hundred sixty-two billion, one hundred seventy-three million, seven hundred forty-six thousand, eight hundred eighty-five".