706081662617 has 4 divisors (see below), whose sum is σ = 706261376820. Its totient is φ = 705901948416.

The previous prime is 706081662593. The next prime is 706081662659. The reversal of 706081662617 is 716266180607.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 716266180607 = 4919 ⋅145612153.

It can be written as a sum of positive squares in 2 ways, for example, as 189837975616 + 516243687001 = 435704^2 + 718501^2 .

It is a cyclic number.

It is not a de Polignac number, because 706081662617 - 2⁶ = 706081662553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (706081662317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89851208 + ... + 89859065.

It is an arithmetic number, because the mean of its divisors is an integer number (176565344205).

Almost surely, 2^706081662617 is an apocalyptic number.

It is an amenable number.

706081662617 is a deficient number, since it is larger than the sum of its proper divisors (179714203).

706081662617 is a wasteful number, since it uses less digits than its factorization.

706081662617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179714202.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 706081662617 in words is "seven hundred six billion, eighty-one million, six hundred sixty-two thousand, six hundred seventeen".