679974567 has 16 divisors (see below), whose sum is σ = 942935040. Its totient is φ = 435475872.

The previous prime is 679974481. The next prime is 679974583. The reversal of 679974567 is 765479976.

679974567 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 679974567 - 2¹¹ = 679972519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 679974567.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679974467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30003 + ... + 47540.

It is an arithmetic number, because the mean of its divisors is an integer number (58933440).

Almost surely, 2^679974567 is an apocalyptic number.

679974567 is a deficient number, since it is larger than the sum of its proper divisors (262960473).

679974567 is a wasteful number, since it uses less digits than its factorization.

679974567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77662.

The product of its digits is 20003760, while the sum is 60.

The square root of 679974567 is about 26076.3219607367. The cubic root of 679974567 is about 879.3549711019.

The spelling of 679974567 in words is "six hundred seventy-nine million, nine hundred seventy-four thousand, five hundred sixty-seven".