706989784775 has 6 divisors (see below), whose sum is σ = 876667333152. Its totient is φ = 565591827800.

The previous prime is 706989784729. The next prime is 706989784789. The reversal of 706989784775 is 577487989607.

It is a happy number.

It is not a de Polignac number, because 706989784775 - 2²⁰ = 706988736199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 706989784696 and 706989784705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14139795671 + ... + 14139795720.

It is an arithmetic number, because the mean of its divisors is an integer number (146111222192).

Almost surely, 2^706989784775 is an apocalyptic number.

706989784775 is a deficient number, since it is larger than the sum of its proper divisors (169677548377).

706989784775 is a wasteful number, since it uses less digits than its factorization.

706989784775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28279591401 (or 28279591396 counting only the distinct ones).

The product of its (nonzero) digits is 1493614080, while the sum is 77.

The spelling of 706989784775 in words is "seven hundred six billion, nine hundred eighty-nine million, seven hundred eighty-four thousand, seven hundred seventy-five".