3863686071 has 16 divisors (see below), whose sum is σ = 5927040000. Its totient is φ = 2193001248.

The previous prime is 3863686069. The next prime is 3863686091. The reversal of 3863686071 is 1706863683.

It is not a de Polignac number, because 3863686071 - 2¹ = 3863686069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3863686071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3863686091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 614271 + ... + 620528.

It is an arithmetic number, because the mean of its divisors is an integer number (370440000).

Almost surely, 2^3863686071 is an apocalyptic number.

3863686071 is a deficient number, since it is larger than the sum of its proper divisors (2063353929).

3863686071 is a wasteful number, since it uses less digits than its factorization.

3863686071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234958.

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 3863686071 is about 62158.5558953874. Note that the first 3 decimals coincide. The cubic root of 3863686071 is about 1569.1601754777.

The spelling of 3863686071 in words is "three billion, eight hundred sixty-three million, six hundred eighty-six thousand, seventy-one".