770242097 has 2 divisors, whose sum is σ = 770242098. Its totient is φ = 770242096.

The previous prime is 770242073. The next prime is 770242129. The reversal of 770242097 is 790242077.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 713103616 + 57138481 = 26704^2 + 7559^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-770242097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 770242097.

It is not a weakly prime, because it can be changed into another prime (770242397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385121048 + 385121049.

It is an arithmetic number, because the mean of its divisors is an integer number (385121049).

Almost surely, 2^770242097 is an apocalyptic number.

It is an amenable number.

770242097 is a deficient number, since it is larger than the sum of its proper divisors (1).

770242097 is an equidigital number, since it uses as much as digits as its factorization.

770242097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 770242097 is about 27753.2357933269. The cubic root of 770242097 is about 916.6616950180.

The spelling of 770242097 in words is "seven hundred seventy million, two hundred forty-two thousand, ninety-seven".