770863 has 2 divisors, whose sum is σ = 770864. Its totient is φ = 770862.

The previous prime is 770843. The next prime is 770867. The reversal of 770863 is 368077.

It is a strong prime.

It is an emirp because it is prime and its reverse (368077) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-770863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (770867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385431 + 385432.

It is an arithmetic number, because the mean of its divisors is an integer number (385432).

2⁷⁷⁰⁸⁶³ is an apocalyptic number.

770863 is a deficient number, since it is larger than the sum of its proper divisors (1).

770863 is an equidigital number, since it uses as much as digits as its factorization.

770863 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 31.

The square root of 770863 is about 877.9880409208. The cubic root of 770863 is about 91.6907940163.

The spelling of 770863 in words is "seven hundred seventy thousand, eight hundred sixty-three".