679619307 has 4 divisors (see below), whose sum is σ = 906159080. Its totient is φ = 453079536.

The previous prime is 679619299. The next prime is 679619309. The reversal of 679619307 is 703916976.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 679619307 - 2³ = 679619299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (679619309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113269882 + ... + 113269887.

It is an arithmetic number, because the mean of its divisors is an integer number (226539770).

Almost surely, 2^679619307 is an apocalyptic number.

679619307 is a deficient number, since it is larger than the sum of its proper divisors (226539773).

679619307 is a wasteful number, since it uses less digits than its factorization.

679619307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226539772.

The product of its (nonzero) digits is 428652, while the sum is 48.

The square root of 679619307 is about 26069.5091438255. The cubic root of 679619307 is about 879.2018016142.

The spelling of 679619307 in words is "six hundred seventy-nine million, six hundred nineteen thousand, three hundred seven".