86650836886529 has 2 divisors, whose sum is σ = 86650836886530. Its totient is φ = 86650836886528.

The previous prime is 86650836886519. The next prime is 86650836886673. The reversal of 86650836886529 is 92568863805668.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86466714367504 + 184122519025 = 9298748^2 + 429095^2 .

It is a cyclic number.

It is not a de Polignac number, because 86650836886529 - 2⁴⁴ = 69058650842113 is a prime.

It is not a weakly prime, because it can be changed into another prime (86650836886519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43325418443264 + 43325418443265.

It is an arithmetic number, because the mean of its divisors is an integer number (43325418443265).

Almost surely, 2^{86650836886529} is an apocalyptic number.

It is an amenable number.

86650836886529 is a deficient number, since it is larger than the sum of its proper divisors (1).

86650836886529 is an equidigital number, since it uses as much as digits as its factorization.

86650836886529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7166361600, while the sum is 80.

The spelling of 86650836886529 in words is "eighty-six trillion, six hundred fifty billion, eight hundred thirty-six million, eight hundred eighty-six thousand, five hundred twenty-nine".