679517379 has 6 divisors (see below), whose sum is σ = 981525116. Its totient is φ = 453011580.

The previous prime is 679517351. The next prime is 679517407. The reversal of 679517379 is 973715976.

It is an interprime number because it is at equal distance from previous prime (679517351) and next prime (679517407).

It is not a de Polignac number, because 679517379 - 2⁹ = 679516867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (679517339) 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 5 ways as a sum of consecutive naturals, for example, 37750957 + ... + 37750974.

Almost surely, 2^679517379 is an apocalyptic number.

679517379 is a deficient number, since it is larger than the sum of its proper divisors (302007737).

679517379 is a wasteful number, since it uses less digits than its factorization.

679517379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75501937 (or 75501934 counting only the distinct ones).

The product of its digits is 2500470, while the sum is 54.

The square root of 679517379 is about 26067.5541430338. The cubic root of 679517379 is about 879.1578457500.

The spelling of 679517379 in words is "six hundred seventy-nine million, five hundred seventeen thousand, three hundred seventy-nine".