8220560057 has 2 divisors, whose sum is σ = 8220560058. Its totient is φ = 8220560056.

The previous prime is 8220560021. The next prime is 8220560113. The reversal of 8220560057 is 7500650228.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4779095161 + 3441464896 = 69131^2 + 58664^2 .

It is a cyclic number.

It is not a de Polignac number, because 8220560057 - 2¹⁴ = 8220543673 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8220559999 and 8220560026.

It is not a weakly prime, because it can be changed into another prime (8220560017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4110280028 + 4110280029.

It is an arithmetic number, because the mean of its divisors is an integer number (4110280029).

Almost surely, 2^8220560057 is an apocalyptic number.

It is an amenable number.

8220560057 is a deficient number, since it is larger than the sum of its proper divisors (1).

8220560057 is an equidigital number, since it uses as much as digits as its factorization.

8220560057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 8220560057 is about 90667.3042336652. The cubic root of 8220560057 is about 2018.2136330255.

The spelling of 8220560057 in words is "eight billion, two hundred twenty million, five hundred sixty thousand, fifty-seven".