7770688241 has 2 divisors, whose sum is σ = 7770688242. Its totient is φ = 7770688240.

The previous prime is 7770688213. The next prime is 7770688307. The reversal of 7770688241 is 1428860777.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4037967025 + 3732721216 = 63545^2 + 61096^2 .

It is an emirp because it is prime and its reverse (1428860777) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7770688241 - 2²² = 7766493937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7770688241.

It is not a weakly prime, because it can be changed into another prime (7770681241) 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, 3885344120 + 3885344121.

It is an arithmetic number, because the mean of its divisors is an integer number (3885344121).

Almost surely, 2^7770688241 is an apocalyptic number.

It is an amenable number.

7770688241 is a deficient number, since it is larger than the sum of its proper divisors (1).

7770688241 is an equidigital number, since it uses as much as digits as its factorization.

7770688241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1053696, while the sum is 50.

The square root of 7770688241 is about 88151.5073098583. The cubic root of 7770688241 is about 1980.7051395395.

The spelling of 7770688241 in words is "seven billion, seven hundred seventy million, six hundred eighty-eight thousand, two hundred forty-one".