706287308663 has 4 divisors (see below), whose sum is σ = 711678814968. Its totient is φ = 700895802360.

The previous prime is 706287308651. The next prime is 706287308669. The reversal of 706287308663 is 366803782607.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366803782607 = 1481 ⋅247673047.

It is a cyclic number.

It is not a de Polignac number, because 706287308663 - 2²⁰ = 706286260087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 706287308599 and 706287308608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706287308669) 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, 2695752956 + ... + 2695753217.

It is an arithmetic number, because the mean of its divisors is an integer number (177919703742).

Almost surely, 2^706287308663 is an apocalyptic number.

706287308663 is a deficient number, since it is larger than the sum of its proper divisors (5391506305).

706287308663 is a wasteful number, since it uses less digits than its factorization.

706287308663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5391506304.

The product of its (nonzero) digits is 12192768, while the sum is 56.

The spelling of 706287308663 in words is "seven hundred six billion, two hundred eighty-seven million, three hundred eight thousand, six hundred sixty-three".