8768223661 has 2 divisors, whose sum is σ = 8768223662. Its totient is φ = 8768223660.

The previous prime is 8768223643. The next prime is 8768223679. The reversal of 8768223661 is 1663228678.

It is a balanced prime because it is at equal distance from previous prime (8768223643) and next prime (8768223679).

It can be written as a sum of positive squares in only one way, i.e., 5539824900 + 3228398761 = 74430^2 + 56819^2 .

It is a cyclic number.

It is not a de Polignac number, because 8768223661 - 2¹⁹ = 8767699373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8768220661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4384111830 + 4384111831.

It is an arithmetic number, because the mean of its divisors is an integer number (4384111831).

Almost surely, 2^8768223661 is an apocalyptic number.

It is an amenable number.

8768223661 is a deficient number, since it is larger than the sum of its proper divisors (1).

8768223661 is an equidigital number, since it uses as much as digits as its factorization.

8768223661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 49.

The square root of 8768223661 is about 93638.7935686914. The cubic root of 8768223661 is about 2062.0722275424.

The spelling of 8768223661 in words is "eight billion, seven hundred sixty-eight million, two hundred twenty-three thousand, six hundred sixty-one".