679820699 has 8 divisors (see below), whose sum is σ = 686387520. Its totient is φ = 673285000.

The previous prime is 679820693. The next prime is 679820711. The reversal of 679820699 is 996028976.

679820699 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 679820699 - 2¹² = 679816603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (679820693) 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, 37364 + ... + 52494.

It is an arithmetic number, because the mean of its divisors is an integer number (85798440).

Almost surely, 2^679820699 is an apocalyptic number.

679820699 is a deficient number, since it is larger than the sum of its proper divisors (6566821).

679820699 is a wasteful number, since it uses less digits than its factorization.

679820699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15561.

The product of its (nonzero) digits is 2939328, while the sum is 56.

The square root of 679820699 is about 26073.3714544169. The cubic root of 679820699 is about 879.2886378377.

The spelling of 679820699 in words is "six hundred seventy-nine million, eight hundred twenty thousand, six hundred ninety-nine".