679476425 has 6 divisors (see below), whose sum is σ = 842550798. Its totient is φ = 543581120.

The previous prime is 679476397. The next prime is 679476431. The reversal of 679476425 is 524674976.

It can be written as a sum of positive squares in 3 ways, for example, as 978121 + 678498304 = 989^2 + 26048^2 .

It is not a de Polignac number, because 679476425 - 2⁸ = 679476169 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13589504 + ... + 13589553.

It is an arithmetic number, because the mean of its divisors is an integer number (140425133).

Almost surely, 2^679476425 is an apocalyptic number.

It is an amenable number.

679476425 is a deficient number, since it is larger than the sum of its proper divisors (163074373).

679476425 is a wasteful number, since it uses less digits than its factorization.

679476425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27179067 (or 27179062 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 50.

The square root of 679476425 is about 26066.7685952824. The cubic root of 679476425 is about 879.1401833351.

The spelling of 679476425 in words is "six hundred seventy-nine million, four hundred seventy-six thousand, four hundred twenty-five".