7799222229977 has 2 divisors, whose sum is σ = 7799222229978. Its totient is φ = 7799222229976.

The previous prime is 7799222229901. The next prime is 7799222229989.

7799222229977 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4329183487561 + 3470038742416 = 2080669^2 + 1862804^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 7799222229977 - 2¹⁰ = 7799222228953 is a prime.

It is a zygodrome in base 10.

It is not a weakly prime, because it can be changed into another prime (7799222229277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3899611114988 + 3899611114989.

It is an arithmetic number, because the mean of its divisors is an integer number (3899611114989).

Almost surely, 2^{7799222229977} is an apocalyptic number.

It is an amenable number.

7799222229977 is a deficient number, since it is larger than the sum of its proper divisors (1).

7799222229977 is an equidigital number, since it uses as much as digits as its factorization.

7799222229977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504094752, while the sum is 74.

The spelling of 7799222229977 in words is "seven trillion, seven hundred ninety-nine billion, two hundred twenty-two million, two hundred twenty-nine thousand, nine hundred seventy-seven".