87369103513 has 2 divisors, whose sum is σ = 87369103514. Its totient is φ = 87369103512.

The previous prime is 87369103441. The next prime is 87369103537. The reversal of 87369103513 is 31530196378.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62924719104 + 24444384409 = 250848^2 + 156347^2 .

It is a cyclic number.

It is not a de Polignac number, because 87369103513 - 2¹⁷ = 87368972441 is a prime.

It is not a weakly prime, because it can be changed into another prime (87369103543) 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, 43684551756 + 43684551757.

It is an arithmetic number, because the mean of its divisors is an integer number (43684551757).

Almost surely, 2^87369103513 is an apocalyptic number.

It is an amenable number.

87369103513 is a deficient number, since it is larger than the sum of its proper divisors (1).

87369103513 is an equidigital number, since it uses as much as digits as its factorization.

87369103513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 87369103513 in words is "eighty-seven billion, three hundred sixty-nine million, one hundred three thousand, five hundred thirteen".