3871059985 has 8 divisors (see below), whose sum is σ = 5002600680. Its totient is φ = 2858628864.

The previous prime is 3871059971. The next prime is 3871060001. The reversal of 3871059985 is 5899501783.

3871059985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 42915601 + 3828144384 = 6551^2 + 61872^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3871059985 - 2¹⁵ = 3871027217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29777320 + ... + 29777449.

It is an arithmetic number, because the mean of its divisors is an integer number (625325085).

Almost surely, 2^3871059985 is an apocalyptic number.

It is an amenable number.

3871059985 is a deficient number, since it is larger than the sum of its proper divisors (1131540695).

3871059985 is a wasteful number, since it uses less digits than its factorization.

3871059985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59554787.

The product of its (nonzero) digits is 2721600, while the sum is 55.

The square root of 3871059985 is about 62217.8429793255. The cubic root of 3871059985 is about 1570.1577978439.

The spelling of 3871059985 in words is "three billion, eight hundred seventy-one million, fifty-nine thousand, nine hundred eighty-five".