770242133 has 2 divisors, whose sum is σ = 770242134. Its totient is φ = 770242132.

The previous prime is 770242129. The next prime is 770242153. The reversal of 770242133 is 331242077.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 761373649 + 8868484 = 27593^2 + 2978^2 .

It is an emirp because it is prime and its reverse (331242077) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 770242133 - 2² = 770242129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 770242096 and 770242105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (770242153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385121066 + 385121067.

It is an arithmetic number, because the mean of its divisors is an integer number (385121067).

Almost surely, 2^770242133 is an apocalyptic number.

It is an amenable number.

770242133 is a deficient number, since it is larger than the sum of its proper divisors (1).

770242133 is an equidigital number, since it uses as much as digits as its factorization.

770242133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 770242133 is about 27753.2364418999. The cubic root of 770242133 is about 916.6617092992.

The spelling of 770242133 in words is "seven hundred seventy million, two hundred forty-two thousand, one hundred thirty-three".