8226870779 has 2 divisors, whose sum is σ = 8226870780. Its totient is φ = 8226870778.

The previous prime is 8226870767. The next prime is 8226870787. The reversal of 8226870779 is 9770786228.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8226870779 is a prime.

It is not a weakly prime, because it can be changed into another prime (8226870719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4113435389 + 4113435390.

It is an arithmetic number, because the mean of its divisors is an integer number (4113435390).

Almost surely, 2^8226870779 is an apocalyptic number.

8226870779 is a deficient number, since it is larger than the sum of its proper divisors (1).

8226870779 is an equidigital number, since it uses as much as digits as its factorization.

8226870779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4741632, while the sum is 56.

The square root of 8226870779 is about 90702.0990881688. The cubic root of 8226870779 is about 2018.7299452694.

The spelling of 8226870779 in words is "eight billion, two hundred twenty-six million, eight hundred seventy thousand, seven hundred seventy-nine".