680001674378 has 16 divisors (see below), whose sum is σ = 1101001130376. Its totient is φ = 313122101760.

The previous prime is 680001674377. The next prime is 680001674437. The reversal of 680001674378 is 873476100086.

It can be written as a sum of positive squares in 4 ways, for example, as 539156838529 + 140844835849 = 734273^2 + 375293^2 .

It is not an unprimeable number, because it can be changed into a prime (680001674377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30189563 + ... + 30212078.

Almost surely, 2^680001674378 is an apocalyptic number.

680001674378 is a deficient number, since it is larger than the sum of its proper divisors (420999455998).

680001674378 is a wasteful number, since it uses less digits than its factorization.

680001674378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60402089.

The product of its (nonzero) digits is 1354752, while the sum is 50.

The spelling of 680001674378 in words is "six hundred eighty billion, one million, six hundred seventy-four thousand, three hundred seventy-eight".