2822786563 has 4 divisors (see below), whose sum is σ = 2843094520. Its totient is φ = 2802478608.

The previous prime is 2822786537. The next prime is 2822786579. The reversal of 2822786563 is 3656872282.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2822786563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2822786663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10153770 + ... + 10154047.

It is an arithmetic number, because the mean of its divisors is an integer number (710773630).

Almost surely, 2^2822786563 is an apocalyptic number.

2822786563 is a deficient number, since it is larger than the sum of its proper divisors (20307957).

2822786563 is a wasteful number, since it uses less digits than its factorization.

2822786563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20307956.

The product of its digits is 1935360, while the sum is 49.

The square root of 2822786563 is about 53129.9027196550. The cubic root of 2822786563 is about 1413.2728431314.

The spelling of 2822786563 in words is "two billion, eight hundred twenty-two million, seven hundred eighty-six thousand, five hundred sixty-three".