84703673609 has 2 divisors, whose sum is σ = 84703673610. Its totient is φ = 84703673608.

The previous prime is 84703673597. The next prime is 84703673617. The reversal of 84703673609 is 90637630748.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44772444025 + 39931229584 = 211595^2 + 199828^2 .

It is a cyclic number.

It is not a de Polignac number, because 84703673609 - 2¹² = 84703669513 is a prime.

It is not a weakly prime, because it can be changed into another prime (84703673809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42351836804 + 42351836805.

It is an arithmetic number, because the mean of its divisors is an integer number (42351836805).

Almost surely, 2^84703673609 is an apocalyptic number.

It is an amenable number.

84703673609 is a deficient number, since it is larger than the sum of its proper divisors (1).

84703673609 is an equidigital number, since it uses as much as digits as its factorization.

84703673609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4572288, while the sum is 53.

The spelling of 84703673609 in words is "eighty-four billion, seven hundred three million, six hundred seventy-three thousand, six hundred nine".