5821782871285 has 4 divisors (see below), whose sum is σ = 6986139445548. Its totient is φ = 4657426297024.

The previous prime is 5821782871277. The next prime is 5821782871363.

5821782871285 is nontrivially palindromic in base 10.

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 926812469521 + 4894970401764 = 962711^2 + 2212458^2 .

It is a cyclic number.

It is not a de Polignac number, because 5821782871285 - 2³ = 5821782871277 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 582178287124 + ... + 582178287133.

It is an arithmetic number, because the mean of its divisors is an integer number (1746534861387).

Almost surely, 2^{5821782871285} is an apocalyptic number.

It is an amenable number.

5821782871285 is a deficient number, since it is larger than the sum of its proper divisors (1164356574263).

5821782871285 is a wasteful number, since it uses less digits than its factorization.

5821782871285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164356574262.

The product of its digits is 40140800, while the sum is 64.

The spelling of 5821782871285 in words is "five trillion, eight hundred twenty-one billion, seven hundred eighty-two million, eight hundred seventy-one thousand, two hundred eighty-five".