8763224621 has 2 divisors, whose sum is σ = 8763224622. Its totient is φ = 8763224620.

The previous prime is 8763224579. The next prime is 8763224627. The reversal of 8763224621 is 1264223678.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7679893225 + 1083331396 = 87635^2 + 32914^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8763224621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8763224627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4381612310 + 4381612311.

It is an arithmetic number, because the mean of its divisors is an integer number (4381612311).

Almost surely, 2^8763224621 is an apocalyptic number.

It is an amenable number.

8763224621 is a deficient number, since it is larger than the sum of its proper divisors (1).

8763224621 is an equidigital number, since it uses as much as digits as its factorization.

8763224621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 41.

The square root of 8763224621 is about 93612.0965527426. The cubic root of 8763224621 is about 2061.6802689728.

The spelling of 8763224621 in words is "eight billion, seven hundred sixty-three million, two hundred twenty-four thousand, six hundred twenty-one".