3887018866705 has 16 divisors (see below), whose sum is σ = 5158987205904. Its totient is φ = 2792835175680.

The previous prime is 3887018866699. The next prime is 3887018866723. The reversal of 3887018866705 is 5076688107883.

It can be written as a sum of positive squares in 8 ways, for example, as 616677889 + 3886402188816 = 24833^2 + 1971396^2 .

It is not a de Polignac number, because 3887018866705 - 2³ = 3887018866697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 808109626 + ... + 808114435.

It is an arithmetic number, because the mean of its divisors is an integer number (322436700369).

Almost surely, 2^{3887018866705} is an apocalyptic number.

It is an amenable number.

3887018866705 is a deficient number, since it is larger than the sum of its proper divisors (1271968339199).

3887018866705 is a wasteful number, since it uses less digits than its factorization.

3887018866705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616224116.

The product of its (nonzero) digits is 108380160, while the sum is 67.

The spelling of 3887018866705 in words is "three trillion, eight hundred eighty-seven billion, eighteen million, eight hundred sixty-six thousand, seven hundred five".