706320777656 has 32 divisors (see below), whose sum is σ = 1426972937040. Its totient is φ = 325823167488.

The previous prime is 706320777619. The next prime is 706320777709. The reversal of 706320777656 is 656777023607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1582361 + ... + 1979016.

Almost surely, 2^706320777656 is an apocalyptic number.

It is an amenable number.

706320777656 is an abundant number, since it is smaller than the sum of its proper divisors (720652159384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

706320777656 is a wasteful number, since it uses less digits than its factorization.

706320777656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3563303 (or 3563299 counting only the distinct ones).

The product of its (nonzero) digits is 15558480, while the sum is 56.

The spelling of 706320777656 in words is "seven hundred six billion, three hundred twenty million, seven hundred seventy-seven thousand, six hundred fifty-six".