8626481797 has 2 divisors, whose sum is σ = 8626481798. Its totient is φ = 8626481796.

The previous prime is 8626481761. The next prime is 8626481803. The reversal of 8626481797 is 7971846268.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4581394596 + 4045087201 = 67686^2 + 63601^2 .

It is a cyclic number.

It is not a de Polignac number, because 8626481797 - 2¹¹ = 8626479749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8626481497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4313240898 + 4313240899.

It is an arithmetic number, because the mean of its divisors is an integer number (4313240899).

Almost surely, 2^8626481797 is an apocalyptic number.

It is an amenable number.

8626481797 is a deficient number, since it is larger than the sum of its proper divisors (1).

8626481797 is an equidigital number, since it uses as much as digits as its factorization.

8626481797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8128512, while the sum is 58.

The square root of 8626481797 is about 92878.8554892878. The cubic root of 8626481797 is about 2050.9004013742.

The spelling of 8626481797 in words is "eight billion, six hundred twenty-six million, four hundred eighty-one thousand, seven hundred ninety-seven".