8813248861 has 2 divisors, whose sum is σ = 8813248862. Its totient is φ = 8813248860.

The previous prime is 8813248823. The next prime is 8813248867. The reversal of 8813248861 is 1688423188.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7926340900 + 886907961 = 89030^2 + 29781^2 .

It is a cyclic number.

It is not a de Polignac number, because 8813248861 - 2¹³ = 8813240669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8813248867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4406624430 + 4406624431.

It is an arithmetic number, because the mean of its divisors is an integer number (4406624431).

Almost surely, 2^8813248861 is an apocalyptic number.

It is an amenable number.

8813248861 is a deficient number, since it is larger than the sum of its proper divisors (1).

8813248861 is an equidigital number, since it uses as much as digits as its factorization.

8813248861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 589824, while the sum is 49.

The square root of 8813248861 is about 93878.9053035878. The cubic root of 8813248861 is about 2065.5958125731.

The spelling of 8813248861 in words is "eight billion, eight hundred thirteen million, two hundred forty-eight thousand, eight hundred sixty-one".