706478408717 has 4 divisors (see below), whose sum is σ = 743661482880. Its totient is φ = 669295334556.

The previous prime is 706478408683. The next prime is 706478408749. The reversal of 706478408717 is 717804874607.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 706478408717 - 2⁶ = 706478408653 is a prime.

It is a super-2 number, since 2×706478408717² (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 (706478408767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18591537053 + ... + 18591537090.

It is an arithmetic number, because the mean of its divisors is an integer number (185915370720).

Almost surely, 2^706478408717 is an apocalyptic number.

It is an amenable number.

706478408717 is a deficient number, since it is larger than the sum of its proper divisors (37183074163).

706478408717 is a wasteful number, since it uses less digits than its factorization.

706478408717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37183074162.

The product of its (nonzero) digits is 14751744, while the sum is 59.

The spelling of 706478408717 in words is "seven hundred six billion, four hundred seventy-eight million, four hundred eight thousand, seven hundred seventeen".