768867871 has 2 divisors, whose sum is σ = 768867872. Its totient is φ = 768867870.

The previous prime is 768867839. The next prime is 768867899. The reversal of 768867871 is 178768867.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 768867871 - 2⁵ = 768867839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (768867811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384433935 + 384433936.

It is an arithmetic number, because the mean of its divisors is an integer number (384433936).

Almost surely, 2^768867871 is an apocalyptic number.

768867871 is a deficient number, since it is larger than the sum of its proper divisors (1).

768867871 is an equidigital number, since it uses as much as digits as its factorization.

768867871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6322176, while the sum is 58.

The square root of 768867871 is about 27728.4667985808. The cubic root of 768867871 is about 916.1162170673.

The spelling of 768867871 in words is "seven hundred sixty-eight million, eight hundred sixty-seven thousand, eight hundred seventy-one".