5086771985 has 4 divisors (see below), whose sum is σ = 6104126388. Its totient is φ = 4069417584.

The previous prime is 5086771961. The next prime is 5086771993. The reversal of 5086771985 is 5891776805.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3703452736 + 1383319249 = 60856^2 + 37193^2 .

It is a cyclic number.

It is not a de Polignac number, because 5086771985 - 2¹⁰ = 5086770961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5086771985.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508677194 + ... + 508677203.

It is an arithmetic number, because the mean of its divisors is an integer number (1526031597).

Almost surely, 2^5086771985 is an apocalyptic number.

It is an amenable number.

5086771985 is a deficient number, since it is larger than the sum of its proper divisors (1017354403).

5086771985 is a wasteful number, since it uses less digits than its factorization.

5086771985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017354402.

The product of its (nonzero) digits is 4233600, while the sum is 56.

The square root of 5086771985 is about 71321.6095233415. The cubic root of 5086771985 is about 1719.8111367578.

The spelling of 5086771985 in words is "five billion, eighty-six million, seven hundred seventy-one thousand, nine hundred eighty-five".