87205051559 has 2 divisors, whose sum is σ = 87205051560. Its totient is φ = 87205051558.

The previous prime is 87205051537. The next prime is 87205051597. The reversal of 87205051559 is 95515050278.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87205051559 - 2¹⁶ = 87204986023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87205051519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43602525779 + 43602525780.

It is an arithmetic number, because the mean of its divisors is an integer number (43602525780).

Almost surely, 2^87205051559 is an apocalyptic number.

87205051559 is a deficient number, since it is larger than the sum of its proper divisors (1).

87205051559 is an equidigital number, since it uses as much as digits as its factorization.

87205051559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630000, while the sum is 47.

The spelling of 87205051559 in words is "eighty-seven billion, two hundred five million, fifty-one thousand, five hundred fifty-nine".