679914897 has 4 divisors (see below), whose sum is σ = 906553200. Its totient is φ = 453276596.

The previous prime is 679914887. The next prime is 679914901. The reversal of 679914897 is 798419976.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 679914897 - 2¹⁶ = 679849361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 679914897.

It is not an unprimeable number, because it can be changed into a prime (679914827) 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, 113319147 + ... + 113319152.

It is an arithmetic number, because the mean of its divisors is an integer number (226638300).

Almost surely, 2^679914897 is an apocalyptic number.

It is an amenable number.

679914897 is a deficient number, since it is larger than the sum of its proper divisors (226638303).

679914897 is a wasteful number, since it uses less digits than its factorization.

679914897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226638302.

The product of its digits is 6858432, while the sum is 60.

The square root of 679914897 is about 26075.1777942165. The cubic root of 679914897 is about 879.3292482545.

The spelling of 679914897 in words is "six hundred seventy-nine million, nine hundred fourteen thousand, eight hundred ninety-seven".