679655422 has 12 divisors (see below), whose sum is σ = 1075965336. Its totient is φ = 321941700.

The previous prime is 679655371. The next prime is 679655423. The reversal of 679655422 is 224556976.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679655423) 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 5 ways as a sum of consecutive naturals, for example, 469954 + ... + 471397.

It is an arithmetic number, because the mean of its divisors is an integer number (89663778).

Almost surely, 2^679655422 is an apocalyptic number.

679655422 is a deficient number, since it is larger than the sum of its proper divisors (396309914).

679655422 is a wasteful number, since it uses less digits than its factorization.

679655422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941391 (or 941372 counting only the distinct ones).

The product of its digits is 907200, while the sum is 46.

The square root of 679655422 is about 26070.2018020575. The cubic root of 679655422 is about 879.2173749458.

The spelling of 679655422 in words is "six hundred seventy-nine million, six hundred fifty-five thousand, four hundred twenty-two".