680874291 has 24 divisors (see below), whose sum is σ = 1036386000. Its totient is φ = 429553152.

The previous prime is 680874263. The next prime is 680874307. The reversal of 680874291 is 192478086.

It is not a de Polignac number, because 680874291 - 2¹⁰ = 680873267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (680874211) 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 23 ways as a sum of consecutive naturals, for example, 218875 + ... + 221963.

It is an arithmetic number, because the mean of its divisors is an integer number (43182750).

Almost surely, 2^680874291 is an apocalyptic number.

680874291 is a deficient number, since it is larger than the sum of its proper divisors (355511709).

680874291 is a wasteful number, since it uses less digits than its factorization.

680874291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4403 (or 4400 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 680874291 is about 26093.5680005629. The cubic root of 680874291 is about 879.7426464220.

The spelling of 680874291 in words is "six hundred eighty million, eight hundred seventy-four thousand, two hundred ninety-one".