679344579 has 6 divisors (see below), whose sum is σ = 981275516. Its totient is φ = 452896380.

The previous prime is 679344577. The next prime is 679344593. The reversal of 679344579 is 975443976.

It is a happy number.

679344579 is a `hidden beast` number, since 67 + 9 + 3 + 4 + 4 + 579 = 666.

It is not a de Polignac number, because 679344579 - 2¹ = 679344577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (679344577) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37741357 + ... + 37741374.

Almost surely, 2^679344579 is an apocalyptic number.

679344579 is a deficient number, since it is larger than the sum of its proper divisors (301930937).

679344579 is a wasteful number, since it uses less digits than its factorization.

679344579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75482737 (or 75482734 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 54.

The square root of 679344579 is about 26064.2394671320. The cubic root of 679344579 is about 879.0833166996.

The spelling of 679344579 in words is "six hundred seventy-nine million, three hundred forty-four thousand, five hundred seventy-nine".