680801337 has 6 divisors (see below), whose sum is σ = 983379722. Its totient is φ = 453867552.

The previous prime is 680801333. The next prime is 680801339. The reversal of 680801337 is 733108086.

It can be written as a sum of positive squares in only one way, i.e., 573554601 + 107246736 = 23949^2 + 10356^2 .

It is not a de Polignac number, because 680801337 - 2² = 680801333 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (680801333) 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, 37822288 + ... + 37822305.

Almost surely, 2^680801337 is an apocalyptic number.

It is an amenable number.

680801337 is a deficient number, since it is larger than the sum of its proper divisors (302578385).

680801337 is a wasteful number, since it uses less digits than its factorization.

680801337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75644599 (or 75644596 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 680801337 is about 26092.1700324063. The cubic root of 680801337 is about 879.7112245485.

The spelling of 680801337 in words is "six hundred eighty million, eight hundred one thousand, three hundred thirty-seven".