679466895717 has 16 divisors (see below), whose sum is σ = 935061972480. Its totient is φ = 438654057072.

The previous prime is 679466895713. The next prime is 679466895839. The reversal of 679466895717 is 717598664976.

It is not a de Polignac number, because 679466895717 - 2² = 679466895713 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679466895713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28635873 + ... + 28659590.

It is an arithmetic number, because the mean of its divisors is an integer number (58441373280).

Almost surely, 2^679466895717 is an apocalyptic number.

679466895717 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

It is an amenable number.

679466895717 is a deficient number, since it is larger than the sum of its proper divisors (255595076763).

679466895717 is a wasteful number, since it uses less digits than its factorization.

679466895717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57295592.

The product of its digits is 960180480, while the sum is 75.

The spelling of 679466895717 in words is "six hundred seventy-nine billion, four hundred sixty-six million, eight hundred ninety-five thousand, seven hundred seventeen".