8821632959 has 4 divisors (see below), whose sum is σ = 8821821720. Its totient is φ = 8821444200.

The previous prime is 8821632917. The next prime is 8821633033. The reversal of 8821632959 is 9592361288.

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

It is a cyclic number.

It is not a de Polignac number, because 8821632959 - 2¹⁶ = 8821567423 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 8821632959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8821635959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33284 + ... + 136934.

It is an arithmetic number, because the mean of its divisors is an integer number (2205455430).

Almost surely, 2^8821632959 is an apocalyptic number.

8821632959 is a deficient number, since it is larger than the sum of its proper divisors (188761).

8821632959 is a wasteful number, since it uses less digits than its factorization.

8821632959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188760.

The product of its digits is 1866240, while the sum is 53.

The square root of 8821632959 is about 93923.5484796012. The cubic root of 8821632959 is about 2066.2506096584.

The spelling of 8821632959 in words is "eight billion, eight hundred twenty-one million, six hundred thirty-two thousand, nine hundred fifty-nine".