66003208879 has 2 divisors, whose sum is σ = 66003208880. Its totient is φ = 66003208878.

The previous prime is 66003208853. The next prime is 66003208889. The reversal of 66003208879 is 97880230066.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66003208879 - 2⁵ = 66003208847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66003208889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33001604439 + 33001604440.

It is an arithmetic number, because the mean of its divisors is an integer number (33001604440).

Almost surely, 2^66003208879 is an apocalyptic number.

66003208879 is a deficient number, since it is larger than the sum of its proper divisors (1).

66003208879 is an equidigital number, since it uses as much as digits as its factorization.

66003208879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 66003208879 in words is "sixty-six billion, three million, two hundred eight thousand, eight hundred seventy-nine".