12487887366737 has 2 divisors, whose sum is σ = 12487887366738. Its totient is φ = 12487887366736.

The previous prime is 12487887366701. The next prime is 12487887366839. The reversal of 12487887366737 is 73766378878421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8360980439296 + 4126906927441 = 2891536^2 + 2031479^2 .

It is a cyclic number.

It is not a de Polignac number, because 12487887366737 - 2¹⁴ = 12487887350353 is a prime.

It is not a weakly prime, because it can be changed into another prime (12487887360737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6243943683368 + 6243943683369.

It is an arithmetic number, because the mean of its divisors is an integer number (6243943683369).

Almost surely, 2^{12487887366737} is an apocalyptic number.

It is an amenable number.

12487887366737 is a deficient number, since it is larger than the sum of its proper divisors (1).

12487887366737 is an equidigital number, since it uses as much as digits as its factorization.

12487887366737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3186376704, while the sum is 77.

The spelling of 12487887366737 in words is "twelve trillion, four hundred eighty-seven billion, eight hundred eighty-seven million, three hundred sixty-six thousand, seven hundred thirty-seven".