680565480446577 has 32 divisors (see below), whose sum is σ = 1084286511377280. Its totient is φ = 374815090334720.

The previous prime is 680565480446513. The next prime is 680565480446659. The reversal of 680565480446577 is 775644084565086.

It is a cyclic number.

It is not a de Polignac number, because 680565480446577 - 2⁶ = 680565480446513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 680565480446499 and 680565480446508.

It is not an unprimeable number, because it can be changed into a prime (680565480446777) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20916004398 + ... + 20916036935.

It is an arithmetic number, because the mean of its divisors is an integer number (33883953480540).

Almost surely, 2^{680565480446577} is an apocalyptic number.

It is an amenable number.

680565480446577 is a deficient number, since it is larger than the sum of its proper divisors (403721030930703).

680565480446577 is a wasteful number, since it uses less digits than its factorization.

680565480446577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41832041393.

The product of its (nonzero) digits is 5419008000, while the sum is 75.

The spelling of 680565480446577 in words is "six hundred eighty trillion, five hundred sixty-five billion, four hundred eighty million, four hundred forty-six thousand, five hundred seventy-seven".