8660459477 has 2 divisors, whose sum is σ = 8660459478. Its totient is φ = 8660459476.

The previous prime is 8660459453. The next prime is 8660459519. The reversal of 8660459477 is 7749540668.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8436238801 + 224220676 = 91849^2 + 14974^2 .

It is a cyclic number.

It is not a de Polignac number, because 8660459477 - 2¹⁰ = 8660458453 is a prime.

It is a super-2 number, since 2×8660459477² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8660459177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4330229738 + 4330229739.

It is an arithmetic number, because the mean of its divisors is an integer number (4330229739).

Almost surely, 2^8660459477 is an apocalyptic number.

It is an amenable number.

8660459477 is a deficient number, since it is larger than the sum of its proper divisors (1).

8660459477 is an equidigital number, since it uses as much as digits as its factorization.

8660459477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10160640, while the sum is 56.

The square root of 8660459477 is about 93061.5896973612. The cubic root of 8660459477 is about 2053.5895450345.

The spelling of 8660459477 in words is "eight billion, six hundred sixty million, four hundred fifty-nine thousand, four hundred seventy-seven".