87009565759 has 2 divisors, whose sum is σ = 87009565760. Its totient is φ = 87009565758.

The previous prime is 87009565723. The next prime is 87009565763. The reversal of 87009565759 is 95756590078.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87009565759 - 2²⁷ = 86875348031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87009565697 and 87009565706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87009515759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43504782879 + 43504782880.

It is an arithmetic number, because the mean of its divisors is an integer number (43504782880).

Almost surely, 2^87009565759 is an apocalyptic number.

87009565759 is a deficient number, since it is larger than the sum of its proper divisors (1).

87009565759 is an equidigital number, since it uses as much as digits as its factorization.

87009565759 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23814000, while the sum is 61.

The spelling of 87009565759 in words is "eighty-seven billion, nine million, five hundred sixty-five thousand, seven hundred fifty-nine".