60687017717 has 2 divisors, whose sum is σ = 60687017718. Its totient is φ = 60687017716.

The previous prime is 60687017549. The next prime is 60687017737. The reversal of 60687017717 is 71771078606.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49110548881 + 11576468836 = 221609^2 + 107594^2 .

It is a cyclic number.

It is not a de Polignac number, because 60687017717 - 2²² = 60682823413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60687017737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30343508858 + 30343508859.

It is an arithmetic number, because the mean of its divisors is an integer number (30343508859).

Almost surely, 2^60687017717 is an apocalyptic number.

It is an amenable number.

60687017717 is a deficient number, since it is larger than the sum of its proper divisors (1).

60687017717 is an equidigital number, since it uses as much as digits as its factorization.

60687017717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 691488, while the sum is 50.

The spelling of 60687017717 in words is "sixty billion, six hundred eighty-seven million, seventeen thousand, seven hundred seventeen".