678689206750 has 16 divisors (see below), whose sum is σ = 1270506195504. Its totient is φ = 271475682600.

The previous prime is 678689206747. The next prime is 678689206777. The reversal of 678689206750 is 57602986876.

678689206750 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1357378164 + ... + 1357378663.

It is an arithmetic number, because the mean of its divisors is an integer number (79406637219).

Almost surely, 2^678689206750 is an apocalyptic number.

678689206750 is a deficient number, since it is larger than the sum of its proper divisors (591816988754).

678689206750 is a wasteful number, since it uses less digits than its factorization.

678689206750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2714756844 (or 2714756834 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 64.

The spelling of 678689206750 in words is "six hundred seventy-eight billion, six hundred eighty-nine million, two hundred six thousand, seven hundred fifty".