543979677764 has 24 divisors (see below), whose sum is σ = 1005765532800. Its totient is φ = 256723745760.

The previous prime is 543979677733. The next prime is 543979677781. The reversal of 543979677764 is 467776979345.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 543979677691 and 543979677700.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13185359 + ... + 13226550.

It is an arithmetic number, because the mean of its divisors is an integer number (41906897200).

Almost surely, 2^543979677764 is an apocalyptic number.

It is an amenable number.

543979677764 is a deficient number, since it is larger than the sum of its proper divisors (461785855036).

543979677764 is a wasteful number, since it uses less digits than its factorization.

543979677764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26412203 (or 26412201 counting only the distinct ones).

The product of its digits is 1680315840, while the sum is 74.

The spelling of 543979677764 in words is "five hundred forty-three billion, nine hundred seventy-nine million, six hundred seventy-seven thousand, seven hundred sixty-four".