679352595017 has 16 divisors (see below), whose sum is σ = 698136062400. Its totient is φ = 660819566400.

The previous prime is 679352595013. The next prime is 679352595059. The reversal of 679352595017 is 710595253976.

It is a cyclic number.

It is not a de Polignac number, because 679352595017 - 2² = 679352595013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (679352595013) 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, 9899459 + ... + 9967847.

It is an arithmetic number, because the mean of its divisors is an integer number (43633503900).

Almost surely, 2^679352595017 is an apocalyptic number.

It is an amenable number.

679352595017 is a deficient number, since it is larger than the sum of its proper divisors (18783467383).

679352595017 is a wasteful number, since it uses less digits than its factorization.

679352595017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70216.

The product of its (nonzero) digits is 17860500, while the sum is 59.

The spelling of 679352595017 in words is "six hundred seventy-nine billion, three hundred fifty-two million, five hundred ninety-five thousand, seventeen".