770664007 has 2 divisors, whose sum is σ = 770664008. Its totient is φ = 770664006.

The previous prime is 770663983. The next prime is 770664023. The reversal of 770664007 is 700466077.

It is a strong prime.

It is an emirp because it is prime and its reverse (700466077) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-770664007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (770664107) 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, 385332003 + 385332004.

It is an arithmetic number, because the mean of its divisors is an integer number (385332004).

Almost surely, 2^770664007 is an apocalyptic number.

770664007 is a deficient number, since it is larger than the sum of its proper divisors (1).

770664007 is an equidigital number, since it uses as much as digits as its factorization.

770664007 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 37.

The square root of 770664007 is about 27760.8358483674. The cubic root of 770664007 is about 916.8290355391.

The spelling of 770664007 in words is "seven hundred seventy million, six hundred sixty-four thousand, seven".