76668293333 has 2 divisors, whose sum is σ = 76668293334. Its totient is φ = 76668293332.

The previous prime is 76668293297. The next prime is 76668293363. The reversal of 76668293333 is 33339286667.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73593923524 + 3074369809 = 271282^2 + 55447^2 .

It is an emirp because it is prime and its reverse (33339286667) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76668293333 - 2¹² = 76668289237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76668293363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38334146666 + 38334146667.

It is an arithmetic number, because the mean of its divisors is an integer number (38334146667).

Almost surely, 2^76668293333 is an apocalyptic number.

It is an amenable number.

76668293333 is a deficient number, since it is larger than the sum of its proper divisors (1).

76668293333 is an equidigital number, since it uses as much as digits as its factorization.

76668293333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17635968, while the sum is 56.

The spelling of 76668293333 in words is "seventy-six billion, six hundred sixty-eight million, two hundred ninety-three thousand, three hundred thirty-three".