87500680588129 has 2 divisors, whose sum is σ = 87500680588130. Its totient is φ = 87500680588128.

The previous prime is 87500680588081. The next prime is 87500680588133. The reversal of 87500680588129 is 92188508600578.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82307988140625 + 5192692447504 = 9072375^2 + 2278748^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87500680588129 is a prime.

It is not a weakly prime, because it can be changed into another prime (87500680588829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43750340294064 + 43750340294065.

It is an arithmetic number, because the mean of its divisors is an integer number (43750340294065).

Almost surely, 2^{87500680588129} is an apocalyptic number.

It is an amenable number.

87500680588129 is a deficient number, since it is larger than the sum of its proper divisors (1).

87500680588129 is an equidigital number, since it uses as much as digits as its factorization.

87500680588129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77414400, while the sum is 67.

The spelling of 87500680588129 in words is "eighty-seven trillion, five hundred billion, six hundred eighty million, five hundred eighty-eight thousand, one hundred twenty-nine".