6282638885 has 4 divisors (see below), whose sum is σ = 7539166668. Its totient is φ = 5026111104.

The previous prime is 6282638867. The next prime is 6282638893. The reversal of 6282638885 is 5888362826.

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 2881649761 + 3400989124 = 53681^2 + 58318^2 .

It is a cyclic number.

It is not a de Polignac number, because 6282638885 - 2¹² = 6282634789 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 6282638885.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 628263884 + ... + 628263893.

It is an arithmetic number, because the mean of its divisors is an integer number (1884791667).

Almost surely, 2^6282638885 is an apocalyptic number.

It is an amenable number.

6282638885 is a deficient number, since it is larger than the sum of its proper divisors (1256527783).

6282638885 is a wasteful number, since it uses less digits than its factorization.

6282638885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256527782.

The product of its digits is 8847360, while the sum is 56.

The square root of 6282638885 is about 79263.0991382497. The cubic root of 6282638885 is about 1845.2166553007.

The spelling of 6282638885 in words is "six billion, two hundred eighty-two million, six hundred thirty-eight thousand, eight hundred eighty-five".