566878878665 has 32 divisors (see below), whose sum is σ = 751423685760. Its totient is φ = 407115072000.

The previous prime is 566878878659. The next prime is 566878878677.

566878878665 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 566878878665 - 2¹⁰ = 566878877641 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 566878878665.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1970717 + ... + 2239973.

It is an arithmetic number, because the mean of its divisors is an integer number (23481990180).

Almost surely, 2^566878878665 is an apocalyptic number.

566878878665 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

566878878665 is a deficient number, since it is larger than the sum of its proper divisors (184544807095).

566878878665 is a wasteful number, since it uses less digits than its factorization.

566878878665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269753.

The product of its digits is 6502809600, while the sum is 80.

The spelling of 566878878665 in words is "five hundred sixty-six billion, eight hundred seventy-eight million, eight hundred seventy-eight thousand, six hundred sixty-five".