680199699 has 8 divisors (see below), whose sum is σ = 960282000. Its totient is φ = 426791936.

The previous prime is 680199661. The next prime is 680199719. The reversal of 680199699 is 996991086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 680199699 - 2⁷ = 680199571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (680199649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6668574 + ... + 6668675.

It is an arithmetic number, because the mean of its divisors is an integer number (120035250).

Almost surely, 2^680199699 is an apocalyptic number.

680199699 is a deficient number, since it is larger than the sum of its proper divisors (280082301).

680199699 is a wasteful number, since it uses less digits than its factorization.

680199699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13337269.

The product of its (nonzero) digits is 1889568, while the sum is 57.

The square root of 680199699 is about 26080.6383932602. The cubic root of 680199699 is about 879.4520086032.

The spelling of 680199699 in words is "six hundred eighty million, one hundred ninety-nine thousand, six hundred ninety-nine".