5871771785 has 16 divisors (see below), whose sum is σ = 7714058112. Its totient is φ = 4255171200.

The previous prime is 5871771757. The next prime is 5871771793.

It is a happy number.

5871771785 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5871771785 - 2¹⁸ = 5871509641 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 5871771785.

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, 174509 + ... + 205418.

It is an arithmetic number, because the mean of its divisors is an integer number (482128632).

Almost surely, 2^5871771785 is an apocalyptic number.

5871771785 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5871771785 is a deficient number, since it is larger than the sum of its proper divisors (1842286327).

5871771785 is a wasteful number, since it uses less digits than its factorization.

5871771785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380224.

The product of its digits is 3841600, while the sum is 56.

The square root of 5871771785 is about 76627.4871374496. The cubic root of 5871771785 is about 1804.0824811764.

The spelling of 5871771785 in words is "five billion, eight hundred seventy-one million, seven hundred seventy-one thousand, seven hundred eighty-five".