680366776 has 32 divisors (see below), whose sum is σ = 1306938240. Its totient is φ = 331946208.

The previous prime is 680366761. The next prime is 680366779. The reversal of 680366776 is 677663086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680366779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51421 + ... + 63283.

It is an arithmetic number, because the mean of its divisors is an integer number (40841820).

Almost surely, 2^680366776 is an apocalyptic number.

It is an amenable number.

680366776 is a deficient number, since it is larger than the sum of its proper divisors (626571464).

680366776 is a wasteful number, since it uses less digits than its factorization.

680366776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12043 (or 12039 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 49.

The square root of 680366776 is about 26083.8412815291. The cubic root of 680366776 is about 879.5240091125.

The spelling of 680366776 in words is "six hundred eighty million, three hundred sixty-six thousand, seven hundred seventy-six".