8822527862821 has 4 divisors (see below), whose sum is σ = 8913481758412. Its totient is φ = 8731573967232.

The previous prime is 8822527862807. The next prime is 8822527862831. The reversal of 8822527862821 is 1282687252288.

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 2178248340321 + 6644279522500 = 1475889^2 + 2577650^2 .

It is a cyclic number.

It is not a de Polignac number, because 8822527862821 - 2¹⁹ = 8822527338533 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 8822527862821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8822527862831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45476947650 + ... + 45476947843.

It is an arithmetic number, because the mean of its divisors is an integer number (2228370439603).

Almost surely, 2^{8822527862821} is an apocalyptic number.

It is an amenable number.

8822527862821 is a deficient number, since it is larger than the sum of its proper divisors (90953895591).

8822527862821 is an equidigital number, since it uses as much as digits as its factorization.

8822527862821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90953895590.

The product of its digits is 27525120, while the sum is 61.

The spelling of 8822527862821 in words is "eight trillion, eight hundred twenty-two billion, five hundred twenty-seven million, eight hundred sixty-two thousand, eight hundred twenty-one".