8225486478577 has 2 divisors, whose sum is σ = 8225486478578. Its totient is φ = 8225486478576.

The previous prime is 8225486478523. The next prime is 8225486478607. The reversal of 8225486478577 is 7758746845228.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5115779952481 + 3109706526096 = 2261809^2 + 1763436^2 .

It is a cyclic number.

It is not a de Polignac number, because 8225486478577 - 2¹⁵ = 8225486445809 is a prime.

It is not a weakly prime, because it can be changed into another prime (8225486488577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4112743239288 + 4112743239289.

It is an arithmetic number, because the mean of its divisors is an integer number (4112743239289).

Almost surely, 2^{8225486478577} is an apocalyptic number.

It is an amenable number.

8225486478577 is a deficient number, since it is larger than the sum of its proper divisors (1).

8225486478577 is an equidigital number, since it uses as much as digits as its factorization.

8225486478577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1685913600, while the sum is 73.

The spelling of 8225486478577 in words is "eight trillion, two hundred twenty-five billion, four hundred eighty-six million, four hundred seventy-eight thousand, five hundred seventy-seven".