768861271 has 2 divisors, whose sum is σ = 768861272. Its totient is φ = 768861270.

The previous prime is 768861217. The next prime is 768861281. The reversal of 768861271 is 172168867.

Together with previous prime (768861217) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 768861271 - 2⁷ = 768861143 is a prime.

It is a super-2 number, since 2×768861271² = 1182295308087470882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (768861211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384430635 + 384430636.

It is an arithmetic number, because the mean of its divisors is an integer number (384430636).

Almost surely, 2^768861271 is an apocalyptic number.

768861271 is a deficient number, since it is larger than the sum of its proper divisors (1).

768861271 is an equidigital number, since it uses as much as digits as its factorization.

768861271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225792, while the sum is 46.

The square root of 768861271 is about 27728.3477870572. The cubic root of 768861271 is about 916.1135957307.

The spelling of 768861271 in words is "seven hundred sixty-eight million, eight hundred sixty-one thousand, two hundred seventy-one".