706663366607 has 4 divisors (see below), whose sum is σ = 770905490856. Its totient is φ = 642421242360.

The previous prime is 706663366561. The next prime is 706663366637.

706663366607 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 706663366607 - 2¹² = 706663362511 is a prime.

It is a super-2 number, since 2×706663366607² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706663366637) 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, 32121062108 + ... + 32121062129.

It is an arithmetic number, because the mean of its divisors is an integer number (192726372714).

Almost surely, 2^706663366607 is an apocalyptic number.

706663366607 is a deficient number, since it is larger than the sum of its proper divisors (64242124249).

706663366607 is a wasteful number, since it uses less digits than its factorization.

706663366607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64242124248.

The product of its (nonzero) digits is 20575296, while the sum is 56.

The spelling of 706663366607 in words is "seven hundred six billion, six hundred sixty-three million, three hundred sixty-six thousand, six hundred seven".