879684506573 has 2 divisors, whose sum is σ = 879684506574. Its totient is φ = 879684506572.

The previous prime is 879684506551. The next prime is 879684506609. The reversal of 879684506573 is 375605486978.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 865024624489 + 14659882084 = 930067^2 + 121078^2 .

It is a cyclic number.

It is not a de Polignac number, because 879684506573 - 2¹⁴ = 879684490189 is a prime.

It is a super-4 number, since 4×879684506573⁴ (a number of 49 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (879684506273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439842253286 + 439842253287.

It is an arithmetic number, because the mean of its divisors is an integer number (439842253287).

Almost surely, 2^879684506573 is an apocalyptic number.

It is an amenable number.

879684506573 is a deficient number, since it is larger than the sum of its proper divisors (1).

879684506573 is an equidigital number, since it uses as much as digits as its factorization.

879684506573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 304819200, while the sum is 68.

The spelling of 879684506573 in words is "eight hundred seventy-nine billion, six hundred eighty-four million, five hundred six thousand, five hundred seventy-three".