679407911 has 32 divisors (see below), whose sum is σ = 873936000. Its totient is φ = 513676800.

The previous prime is 679407899. The next prime is 679407943. The reversal of 679407911 is 119704976.

It is not a de Polignac number, because 679407911 - 2²² = 675213607 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679406911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 265265 + ... + 267813.

It is an arithmetic number, because the mean of its divisors is an integer number (27310500).

Almost surely, 2^679407911 is an apocalyptic number.

679407911 is a deficient number, since it is larger than the sum of its proper divisors (194528089).

679407911 is a wasteful number, since it uses less digits than its factorization.

679407911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699.

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 679407911 is about 26065.4543601296. The cubic root of 679407911 is about 879.1106334086.

The spelling of 679407911 in words is "six hundred seventy-nine million, four hundred seven thousand, nine hundred eleven".