770663 has 2 divisors, whose sum is σ = 770664. Its totient is φ = 770662.

The previous prime is 770657. The next prime is 770669. The reversal of 770663 is 366077.

It is a balanced prime because it is at equal distance from previous prime (770657) and next prime (770669).

It is an emirp because it is prime and its reverse (366077) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 770663 - 2⁴ = 770647 is a prime.

It is equal to p₆₁₇₈₇ and since 770663 and 61787 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (770669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385331 + 385332.

It is an arithmetic number, because the mean of its divisors is an integer number (385332).

2⁷⁷⁰⁶⁶³ is an apocalyptic number.

770663 is a deficient number, since it is larger than the sum of its proper divisors (1).

770663 is an equidigital number, since it uses as much as digits as its factorization.

770663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 770663 is about 877.8741367645. The cubic root of 770663 is about 91.6828636209.

The spelling of 770663 in words is "seven hundred seventy thousand, six hundred sixty-three".