76866635333 has 2 divisors, whose sum is σ = 76866635334. Its totient is φ = 76866635332.

The previous prime is 76866635317. The next prime is 76866635341. The reversal of 76866635333 is 33353666867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42560927809 + 34305707524 = 206303^2 + 185218^2 .

It is a cyclic number.

It is not a de Polignac number, because 76866635333 - 2⁴ = 76866635317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76866695333) 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, 38433317666 + 38433317667.

It is an arithmetic number, because the mean of its divisors is an integer number (38433317667).

Almost surely, 2^76866635333 is an apocalyptic number.

It is an amenable number.

76866635333 is a deficient number, since it is larger than the sum of its proper divisors (1).

76866635333 is an equidigital number, since it uses as much as digits as its factorization.

76866635333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29393280, while the sum is 56.

The spelling of 76866635333 in words is "seventy-six billion, eight hundred sixty-six million, six hundred thirty-five thousand, three hundred thirty-three".