679369804477 has 32 divisors (see below), whose sum is σ = 854087270400. Its totient is φ = 525994630848.

The previous prime is 679369804459. The next prime is 679369804511. The reversal of 679369804477 is 774408963976.

It is a cyclic number.

It is not a de Polignac number, because 679369804477 - 2³⁹ = 129613990589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679369804447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34372924 + ... + 34392682.

It is an arithmetic number, because the mean of its divisors is an integer number (26690227200).

Almost surely, 2^679369804477 is an apocalyptic number.

It is an amenable number.

679369804477 is a deficient number, since it is larger than the sum of its proper divisors (174717465923).

679369804477 is a wasteful number, since it uses less digits than its factorization.

679369804477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27865.

The product of its (nonzero) digits is 384072192, while the sum is 70.

The spelling of 679369804477 in words is "six hundred seventy-nine billion, three hundred sixty-nine million, eight hundred four thousand, four hundred seventy-seven".