9660808057 has 2 divisors, whose sum is σ = 9660808058. Its totient is φ = 9660808056.

The previous prime is 9660808051. The next prime is 9660808067. The reversal of 9660808057 is 7508080669.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5881509481 + 3779298576 = 76691^2 + 61476^2 .

It is an emirp because it is prime and its reverse (7508080669) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9660808057 - 2¹⁹ = 9660283769 is a prime.

It is a super-2 number, since 2×9660808057² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9660808057.

It is not a weakly prime, because it can be changed into another prime (9660808051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4830404028 + 4830404029.

It is an arithmetic number, because the mean of its divisors is an integer number (4830404029).

Almost surely, 2^9660808057 is an apocalyptic number.

It is an amenable number.

9660808057 is a deficient number, since it is larger than the sum of its proper divisors (1).

9660808057 is an equidigital number, since it uses as much as digits as its factorization.

9660808057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 49.

The square root of 9660808057 is about 98289.4096889385. The cubic root of 9660808057 is about 2129.7950721607.

It can be divided in two parts, 9 and 660808057, that added together give a palindrome (660808066).

The spelling of 9660808057 in words is "nine billion, six hundred sixty million, eight hundred eight thousand, fifty-seven".