679487864927 has 8 divisors (see below), whose sum is σ = 709129779936. Its totient is φ = 649854196992.

The previous prime is 679487864903. The next prime is 679487864929. The reversal of 679487864927 is 729468784976.

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

It is a de Polignac number, because none of the positive numbers 2^k-679487864927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679487864929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1893098 + ... + 2223239.

It is an arithmetic number, because the mean of its divisors is an integer number (88641222492).

Almost surely, 2^679487864927 is an apocalyptic number.

679487864927 is a deficient number, since it is larger than the sum of its proper divisors (29641915009).

679487864927 is a wasteful number, since it uses less digits than its factorization.

679487864927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4123537.

The product of its digits is 2048385024, while the sum is 77.

The spelling of 679487864927 in words is "six hundred seventy-nine billion, four hundred eighty-seven million, eight hundred sixty-four thousand, nine hundred twenty-seven".