680654824975 has 6 divisors (see below), whose sum is σ = 844011983000. Its totient is φ = 544523859960.

The previous prime is 680654824939. The next prime is 680654824979. The reversal of 680654824975 is 579428456086.

680654824975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 680654824975 - 2⁹ = 680654824463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680654824979) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13613096475 + ... + 13613096524.

Almost surely, 2^680654824975 is an apocalyptic number.

680654824975 is a deficient number, since it is larger than the sum of its proper divisors (163357158025).

680654824975 is a wasteful number, since it uses less digits than its factorization.

680654824975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27226193009 (or 27226193004 counting only the distinct ones).

The product of its (nonzero) digits is 116121600, while the sum is 64.

The spelling of 680654824975 in words is "six hundred eighty billion, six hundred fifty-four million, eight hundred twenty-four thousand, nine hundred seventy-five".