680437377 has 12 divisors (see below), whose sum is σ = 1003766400. Its totient is φ = 443973048.

The previous prime is 680437361. The next prime is 680437379. The reversal of 680437377 is 773734086.

It is not a de Polignac number, because 680437377 - 2⁴ = 680437361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (680437379) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 803877 + ... + 804722.

It is an arithmetic number, because the mean of its divisors is an integer number (83647200).

Almost surely, 2^680437377 is an apocalyptic number.

It is an amenable number.

680437377 is a deficient number, since it is larger than the sum of its proper divisors (323329023).

680437377 is a wasteful number, since it uses less digits than its factorization.

680437377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608652 (or 1608649 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The square root of 680437377 is about 26085.1945938688. The cubic root of 680437377 is about 879.5544305112.

The spelling of 680437377 in words is "six hundred eighty million, four hundred thirty-seven thousand, three hundred seventy-seven".