683899679 has 8 divisors (see below), whose sum is σ = 700697280. Its totient is φ = 667195776.

The previous prime is 683899673. The next prime is 683899691. The reversal of 683899679 is 976998386.

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

It is a cyclic number.

It is not a de Polignac number, because 683899679 - 2²⁸ = 415464223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683899673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8534 + ... + 37955.

It is an arithmetic number, because the mean of its divisors is an integer number (87587160).

Almost surely, 2^683899679 is an apocalyptic number.

683899679 is a deficient number, since it is larger than the sum of its proper divisors (16797601).

683899679 is a wasteful number, since it uses less digits than its factorization.

683899679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46849.

The product of its digits is 35271936, while the sum is 65.

The square root of 683899679 is about 26151.4756562608. The cubic root of 683899679 is about 881.0437336003.

The spelling of 683899679 in words is "six hundred eighty-three million, eight hundred ninety-nine thousand, six hundred seventy-nine".