84611066670709 has 8 divisors (see below), whose sum is σ = 84890502941112. Its totient is φ = 84331911668160.

The previous prime is 84611066670667. The next prime is 84611066670737. The reversal of 84611066670709 is 90707666011648.

It can be written as a sum of positive squares in 4 ways, for example, as 36970011608209 + 47641055062500 = 6080297^2 + 6902250^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84611066670709 - 2²⁵ = 84611033116277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84611066670799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69714322 + ... + 70917619.

It is an arithmetic number, because the mean of its divisors is an integer number (10611312867639).

Almost surely, 2^{84611066670709} is an apocalyptic number.

It is an amenable number.

84611066670709 is a deficient number, since it is larger than the sum of its proper divisors (279436270403).

84611066670709 is a wasteful number, since it uses less digits than its factorization.

84611066670709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140633927.

The product of its (nonzero) digits is 18289152, while the sum is 61.

The spelling of 84611066670709 in words is "eighty-four trillion, six hundred eleven billion, sixty-six million, six hundred seventy thousand, seven hundred nine".