8763222561 has 8 divisors (see below), whose sum is σ = 12000088704. Its totient is φ = 5684252400.

The previous prime is 8763222553. The next prime is 8763222563. The reversal of 8763222561 is 1652223678.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8763222561 - 2³ = 8763222553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8763222563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39473865 + ... + 39474086.

It is an arithmetic number, because the mean of its divisors is an integer number (1500011088).

Almost surely, 2^8763222561 is an apocalyptic number.

It is an amenable number.

8763222561 is a deficient number, since it is larger than the sum of its proper divisors (3236866143).

8763222561 is a wasteful number, since it uses less digits than its factorization.

8763222561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78947991.

The product of its digits is 241920, while the sum is 42.

The square root of 8763222561 is about 93612.0855498904. The cubic root of 8763222561 is about 2061.6801074241.

The spelling of 8763222561 in words is "eight billion, seven hundred sixty-three million, two hundred twenty-two thousand, five hundred sixty-one".