679506560787 has 8 divisors (see below), whose sum is σ = 935234836480. Its totient is φ = 438391329480.

The previous prime is 679506560783. The next prime is 679506560797. The reversal of 679506560787 is 787065605976.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 679506560787 - 2² = 679506560783 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (679506560783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3653260987 + ... + 3653261172.

It is an arithmetic number, because the mean of its divisors is an integer number (116904354560).

Almost surely, 2^679506560787 is an apocalyptic number.

679506560787 is a deficient number, since it is larger than the sum of its proper divisors (255728275693).

679506560787 is a wasteful number, since it uses less digits than its factorization.

679506560787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7306522193.

The product of its (nonzero) digits is 133358400, while the sum is 66.

The spelling of 679506560787 in words is "six hundred seventy-nine billion, five hundred six million, five hundred sixty thousand, seven hundred eighty-seven".