679906405829 has 8 divisors (see below), whose sum is σ = 795987987648. Its totient is φ = 568562847840.

The previous prime is 679906405819. The next prime is 679906405853. The reversal of 679906405829 is 928504609976.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-679906405829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679906405819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1184505647 + ... + 1184506220.

It is an arithmetic number, because the mean of its divisors is an integer number (99498498456).

Almost surely, 2^679906405829 is an apocalyptic number.

It is an amenable number.

679906405829 is a deficient number, since it is larger than the sum of its proper divisors (116081581819).

679906405829 is a wasteful number, since it uses less digits than its factorization.

679906405829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2369011915.

The product of its (nonzero) digits is 58786560, while the sum is 65.

The spelling of 679906405829 in words is "six hundred seventy-nine billion, nine hundred six million, four hundred five thousand, eight hundred twenty-nine".