7766208802273 has 2 divisors, whose sum is σ = 7766208802274. Its totient is φ = 7766208802272.

The previous prime is 7766208802229. The next prime is 7766208802307. The reversal of 7766208802273 is 3722088026677.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7507726040529 + 258482761744 = 2740023^2 + 508412^2 .

It is a cyclic number.

It is not a de Polignac number, because 7766208802273 - 2¹³ = 7766208794081 is a prime.

It is a super-3 number, since 3×7766208802273³ (a number of 40 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (7766208802223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3883104401136 + 3883104401137.

It is an arithmetic number, because the mean of its divisors is an integer number (3883104401137).

Almost surely, 2^{7766208802273} is an apocalyptic number.

It is an amenable number.

7766208802273 is a deficient number, since it is larger than the sum of its proper divisors (1).

7766208802273 is an equidigital number, since it uses as much as digits as its factorization.

7766208802273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18966528, while the sum is 58.

The spelling of 7766208802273 in words is "seven trillion, seven hundred sixty-six billion, two hundred eight million, eight hundred two thousand, two hundred seventy-three".