84080803529 has 2 divisors, whose sum is σ = 84080803530. Its totient is φ = 84080803528.

The previous prime is 84080803459. The next prime is 84080803603. The reversal of 84080803529 is 92530808048.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84028675129 + 52128400 = 289877^2 + 7220^2 .

It is a cyclic number.

It is not a de Polignac number, because 84080803529 - 2³² = 79785836233 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (84080803229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42040401764 + 42040401765.

It is an arithmetic number, because the mean of its divisors is an integer number (42040401765).

Almost surely, 2^84080803529 is an apocalyptic number.

It is an amenable number.

84080803529 is a deficient number, since it is larger than the sum of its proper divisors (1).

84080803529 is an equidigital number, since it uses as much as digits as its factorization.

84080803529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 84080803529 in words is "eighty-four billion, eighty million, eight hundred three thousand, five hundred twenty-nine".