679429775 has 12 divisors (see below), whose sum is σ = 879123792. Its totient is φ = 519911040.

The previous prime is 679429757. The next prime is 679429787. The reversal of 679429775 is 577924976.

It is not a de Polignac number, because 679429775 - 2⁶ = 679429711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 679429775.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 590234 + ... + 591383.

It is an arithmetic number, because the mean of its divisors is an integer number (73260316).

Almost surely, 2^679429775 is an apocalyptic number.

679429775 is a deficient number, since it is larger than the sum of its proper divisors (199694017).

679429775 is a wasteful number, since it uses less digits than its factorization.

679429775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181650 (or 1181645 counting only the distinct ones).

The product of its digits is 6667920, while the sum is 56.

The square root of 679429775 is about 26065.8737624504. The cubic root of 679429775 is about 879.1200635160.

The spelling of 679429775 in words is "six hundred seventy-nine million, four hundred twenty-nine thousand, seven hundred seventy-five".