706320777646 has 16 divisors (see below), whose sum is σ = 1223785733040. Its totient is φ = 302169316480.

The previous prime is 706320777619. The next prime is 706320777709. The reversal of 706320777646 is 646777023607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 944278741 + ... + 944279488.

It is an arithmetic number, because the mean of its divisors is an integer number (76486608315).

Almost surely, 2^706320777646 is an apocalyptic number.

706320777646 is a deficient number, since it is larger than the sum of its proper divisors (517464955394).

706320777646 is a wasteful number, since it uses less digits than its factorization.

706320777646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888558259.

The product of its (nonzero) digits is 12446784, while the sum is 55.

The spelling of 706320777646 in words is "seven hundred six billion, three hundred twenty million, seven hundred seventy-seven thousand, six hundred forty-six".