679823907 has 8 divisors (see below), whose sum is σ = 1035922176. Its totient is φ = 388470792.

The previous prime is 679823899. The next prime is 679823909. The reversal of 679823907 is 709328976.

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

It is not a de Polignac number, because 679823907 - 2³ = 679823899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 679823907.

It is not an unprimeable number, because it can be changed into a prime (679823909) 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, 16186263 + ... + 16186304.

It is an arithmetic number, because the mean of its divisors is an integer number (129490272).

Almost surely, 2^679823907 is an apocalyptic number.

679823907 is a deficient number, since it is larger than the sum of its proper divisors (356098269).

679823907 is a wasteful number, since it uses less digits than its factorization.

679823907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32372577.

The product of its (nonzero) digits is 1143072, while the sum is 51.

The square root of 679823907 is about 26073.4329730475. The cubic root of 679823907 is about 879.2900209247.

The spelling of 679823907 in words is "six hundred seventy-nine million, eight hundred twenty-three thousand, nine hundred seven".