660088808879 has 2 divisors, whose sum is σ = 660088808880. Its totient is φ = 660088808878.

The previous prime is 660088808801. The next prime is 660088808881. The reversal of 660088808879 is 978808880066.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-660088808879 is a prime.

Together with 660088808881, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (660088808179) 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 as a sum of consecutive naturals, namely, 330044404439 + 330044404440.

It is an arithmetic number, because the mean of its divisors is an integer number (330044404440).

Almost surely, 2^660088808879 is an apocalyptic number.

660088808879 is a deficient number, since it is larger than the sum of its proper divisors (1).

660088808879 is an equidigital number, since it uses as much as digits as its factorization.

660088808879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 74317824, while the sum is 68.

The spelling of 660088808879 in words is "six hundred sixty billion, eighty-eight million, eight hundred eight thousand, eight hundred seventy-nine".