679875547169 has 16 divisors (see below), whose sum is σ = 844446704640. Its totient is φ = 532988424000.

The previous prime is 679875547157. The next prime is 679875547171. The reversal of 679875547169 is 961745578976.

It is a cyclic number.

It is not a de Polignac number, because 679875547169 - 2⁸ = 679875546913 is a prime.

It is a super-2 number, since 2×679875547169² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 679875547096 and 679875547105.

It is not an unprimeable number, because it can be changed into a prime (679875547139) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 34261457 + ... + 34281294.

It is an arithmetic number, because the mean of its divisors is an integer number (52777919040).

Almost surely, 2^679875547169 is an apocalyptic number.

It is an amenable number.

679875547169 is a deficient number, since it is larger than the sum of its proper divisors (164571157471).

679875547169 is a wasteful number, since it uses less digits than its factorization.

679875547169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68542880.

The product of its digits is 800150400, while the sum is 74.

The spelling of 679875547169 in words is "six hundred seventy-nine billion, eight hundred seventy-five million, five hundred forty-seven thousand, one hundred sixty-nine".