677730863969863 has 16 divisors (see below), whose sum is σ = 741455790228000. Its totient is φ = 614358196756480.

The previous prime is 677730863969771. The next prime is 677730863969891. The reversal of 677730863969863 is 368969368037776.

It is a happy number.

It is not a de Polignac number, because 677730863969863 - 2³³ = 677722274035271 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 (677730863909863) 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 15 ways as a sum of consecutive naturals, for example, 154276113 + ... + 158608261.

It is an arithmetic number, because the mean of its divisors is an integer number (46340986889250).

Almost surely, 2^{677730863969863} is an apocalyptic number.

677730863969863 is a deficient number, since it is larger than the sum of its proper divisors (63724926258137).

677730863969863 is a wasteful number, since it uses less digits than its factorization.

677730863969863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4372802.

The product of its (nonzero) digits is 62219695104, while the sum is 88.

The spelling of 677730863969863 in words is "six hundred seventy-seven trillion, seven hundred thirty billion, eight hundred sixty-three million, nine hundred sixty-nine thousand, eight hundred sixty-three".