770664107 has 2 divisors, whose sum is σ = 770664108. Its totient is φ = 770664106.

The previous prime is 770664091. The next prime is 770664113. The reversal of 770664107 is 701466077.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 770664107 - 2⁴ = 770664091 is a prime.

It is not a weakly prime, because it can be changed into another prime (770664007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385332053 + 385332054.

It is an arithmetic number, because the mean of its divisors is an integer number (385332054).

Almost surely, 2^770664107 is an apocalyptic number.

770664107 is a deficient number, since it is larger than the sum of its proper divisors (1).

770664107 is an equidigital number, since it uses as much as digits as its factorization.

770664107 is an evil number, because the sum of its binary digits is even.

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

The square root of 770664107 is about 27760.8376494658. The cubic root of 770664107 is about 916.8290751945.

The spelling of 770664107 in words is "seven hundred seventy million, six hundred sixty-four thousand, one hundred seven".