770706161 has 2 divisors, whose sum is σ = 770706162. Its totient is φ = 770706160.

The previous prime is 770706121. The next prime is 770706163. The reversal of 770706161 is 161607077.

770706161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 754051600 + 16654561 = 27460^2 + 4081^2 .

It is a cyclic number.

It is not a de Polignac number, because 770706161 - 2²² = 766511857 is a prime.

Together with 770706163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (770706163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385353080 + 385353081.

It is an arithmetic number, because the mean of its divisors is an integer number (385353081).

Almost surely, 2^770706161 is an apocalyptic number.

It is an amenable number.

770706161 is a deficient number, since it is larger than the sum of its proper divisors (1).

770706161 is an equidigital number, since it uses as much as digits as its factorization.

770706161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12348, while the sum is 35.

The square root of 770706161 is about 27761.5950730501. The cubic root of 770706161 is about 916.8457515599.

The spelling of 770706161 in words is "seven hundred seventy million, seven hundred six thousand, one hundred sixty-one".