87103686713 has 2 divisors, whose sum is σ = 87103686714. Its totient is φ = 87103686712.

The previous prime is 87103686689. The next prime is 87103686721. The reversal of 87103686713 is 31768630178.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66363942544 + 20739744169 = 257612^2 + 144013^2 .

It is a cyclic number.

It is not a de Polignac number, because 87103686713 - 2²⁸ = 86835251257 is a prime.

It is not a weakly prime, because it can be changed into another prime (87103686793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43551843356 + 43551843357.

It is an arithmetic number, because the mean of its divisors is an integer number (43551843357).

Almost surely, 2^87103686713 is an apocalyptic number.

It is an amenable number.

87103686713 is a deficient number, since it is larger than the sum of its proper divisors (1).

87103686713 is an equidigital number, since it uses as much as digits as its factorization.

87103686713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 87103686713 in words is "eighty-seven billion, one hundred three million, six hundred eighty-six thousand, seven hundred thirteen".