8626546457 has 2 divisors, whose sum is σ = 8626546458. Its totient is φ = 8626546456.

The previous prime is 8626546433. The next prime is 8626546471. The reversal of 8626546457 is 7546456268.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4809283801 + 3817262656 = 69349^2 + 61784^2 .

It is a cyclic number.

It is not a de Polignac number, because 8626546457 - 2¹² = 8626542361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8626546399 and 8626546408.

It is not a weakly prime, because it can be changed into another prime (8626546417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4313273228 + 4313273229.

It is an arithmetic number, because the mean of its divisors is an integer number (4313273229).

Almost surely, 2^8626546457 is an apocalyptic number.

It is an amenable number.

8626546457 is a deficient number, since it is larger than the sum of its proper divisors (1).

8626546457 is an equidigital number, since it uses as much as digits as its factorization.

8626546457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9676800, while the sum is 53.

The square root of 8626546457 is about 92879.2035764735. The cubic root of 8626546457 is about 2050.9055255524.

The spelling of 8626546457 in words is "eight billion, six hundred twenty-six million, five hundred forty-six thousand, four hundred fifty-seven".