768861211 has 2 divisors, whose sum is σ = 768861212. Its totient is φ = 768861210.

The previous prime is 768861209. The next prime is 768861217. The reversal of 768861211 is 112168867.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 768861211 - 2¹ = 768861209 is a prime.

It is a super-2 number, since 2×768861211² = 1182295123560773042, which contains 22 as substring.

Together with 768861209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (768861217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384430605 + 384430606.

It is an arithmetic number, because the mean of its divisors is an integer number (384430606).

Almost surely, 2^768861211 is an apocalyptic number.

768861211 is a deficient number, since it is larger than the sum of its proper divisors (1).

768861211 is an equidigital number, since it uses as much as digits as its factorization.

768861211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 40.

The square root of 768861211 is about 27728.3467051319. The cubic root of 768861211 is about 916.1135719003.

The spelling of 768861211 in words is "seven hundred sixty-eight million, eight hundred sixty-one thousand, two hundred eleven".