766765163 has 2 divisors, whose sum is σ = 766765164. Its totient is φ = 766765162.

The previous prime is 766765117. The next prime is 766765183. The reversal of 766765163 is 361567667.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 766765163 - 2⁸ = 766764907 is a prime.

It is not a weakly prime, because it can be changed into another prime (766765183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383382581 + 383382582.

It is an arithmetic number, because the mean of its divisors is an integer number (383382582).

Almost surely, 2^766765163 is an apocalyptic number.

766765163 is a deficient number, since it is larger than the sum of its proper divisors (1).

766765163 is an equidigital number, since it uses as much as digits as its factorization.

766765163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 47.

The square root of 766765163 is about 27690.5247873709. The cubic root of 766765163 is about 915.2803198177.

The spelling of 766765163 in words is "seven hundred sixty-six million, seven hundred sixty-five thousand, one hundred sixty-three".