8785285057 has 2 divisors, whose sum is σ = 8785285058. Its totient is φ = 8785285056.

The previous prime is 8785285051. The next prime is 8785285079. The reversal of 8785285057 is 7505825878.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8589397041 + 195888016 = 92679^2 + 13996^2 .

It is a cyclic number.

It is not a de Polignac number, because 8785285057 - 2³ = 8785285049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8785284989 and 8785285007.

It is not a weakly prime, because it can be changed into another prime (8785285051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4392642528 + 4392642529.

It is an arithmetic number, because the mean of its divisors is an integer number (4392642529).

Almost surely, 2^8785285057 is an apocalyptic number.

It is an amenable number.

8785285057 is a deficient number, since it is larger than the sum of its proper divisors (1).

8785285057 is an equidigital number, since it uses as much as digits as its factorization.

8785285057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6272000, while the sum is 55.

The square root of 8785285057 is about 93729.8514721964. The cubic root of 8785285057 is about 2063.4088356425.

The spelling of 8785285057 in words is "eight billion, seven hundred eighty-five million, two hundred eighty-five thousand, fifty-seven".