680067677407 has 4 divisors (see below), whose sum is σ = 715860713080. Its totient is φ = 644274641736.

The previous prime is 680067677321. The next prime is 680067677411. The reversal of 680067677407 is 704776760086.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 680067677407 - 2¹¹ = 680067675359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680067677417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17896517808 + ... + 17896517845.

It is an arithmetic number, because the mean of its divisors is an integer number (178965178270).

Almost surely, 2^680067677407 is an apocalyptic number.

680067677407 is a deficient number, since it is larger than the sum of its proper divisors (35793035673).

680067677407 is a wasteful number, since it uses less digits than its factorization.

680067677407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35793035672.

The product of its (nonzero) digits is 16595712, while the sum is 58.

The spelling of 680067677407 in words is "six hundred eighty billion, sixty-seven million, six hundred seventy-seven thousand, four hundred seven".