768851 has 2 divisors, whose sum is σ = 768852. Its totient is φ = 768850.

The previous prime is 768841. The next prime is 768853. The reversal of 768851 is 158867.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (158867) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 768851 - 2⁶ = 768787 is a prime.

It is a super-2 number, since 2×768851² = 1182263720402, which contains 22 as substring.

Together with 768853, it forms a pair of twin primes.

It is a Chen prime.

It is a nialpdrome in base 16.

It is a zygodrome in base 3.

It is not a weakly prime, because it can be changed into another prime (768853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384425 + 384426.

It is an arithmetic number, because the mean of its divisors is an integer number (384426).

2⁷⁶⁸⁸⁵¹ is an apocalyptic number.

768851 is a deficient number, since it is larger than the sum of its proper divisors (1).

768851 is an equidigital number, since it uses as much as digits as its factorization.

768851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 35.

The square root of 768851 is about 876.8414908066. The cubic root of 768851 is about 91.6109516345.

The spelling of 768851 in words is "seven hundred sixty-eight thousand, eight hundred fifty-one".