7770243022117 has 2 divisors, whose sum is σ = 7770243022118. Its totient is φ = 7770243022116.

The previous prime is 7770243022109. The next prime is 7770243022183. The reversal of 7770243022117 is 7112203420777.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6647986700161 + 1122256321956 = 2578369^2 + 1059366^2 .

It is a cyclic number.

It is not a de Polignac number, because 7770243022117 - 2³ = 7770243022109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7770243020117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3885121511058 + 3885121511059.

It is an arithmetic number, because the mean of its divisors is an integer number (3885121511059).

Almost surely, 2^{7770243022117} is an apocalyptic number.

It is an amenable number.

7770243022117 is a deficient number, since it is larger than the sum of its proper divisors (1).

7770243022117 is an equidigital number, since it uses as much as digits as its factorization.

7770243022117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230496, while the sum is 43.

The spelling of 7770243022117 in words is "seven trillion, seven hundred seventy billion, two hundred forty-three million, twenty-two thousand, one hundred seventeen".