678071585201 has 16 divisors (see below), whose sum is σ = 685809020160. Its totient is φ = 670377810960.

The previous prime is 678071585167. The next prime is 678071585231. The reversal of 678071585201 is 102585170876.

678071585201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 678071585201 - 2⁶ = 678071585137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 678071585201.

It is not an unprimeable number, because it can be changed into a prime (678071585231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38564030 + ... + 38581608.

It is an arithmetic number, because the mean of its divisors is an integer number (42863063760).

Almost surely, 2^678071585201 is an apocalyptic number.

It is an amenable number.

678071585201 is a deficient number, since it is larger than the sum of its proper divisors (7737434959).

678071585201 is a wasteful number, since it uses less digits than its factorization.

678071585201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18796.

The product of its (nonzero) digits is 940800, while the sum is 50.

The spelling of 678071585201 in words is "six hundred seventy-eight billion, seventy-one million, five hundred eighty-five thousand, two hundred one".