766856327 has 2 divisors, whose sum is σ = 766856328. Its totient is φ = 766856326.

The previous prime is 766856291. The next prime is 766856329. The reversal of 766856327 is 723658667.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 766856327 - 2¹² = 766852231 is a prime.

Together with 766856329, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (766856329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383428163 + 383428164.

It is an arithmetic number, because the mean of its divisors is an integer number (383428164).

Almost surely, 2^766856327 is an apocalyptic number.

766856327 is a deficient number, since it is larger than the sum of its proper divisors (1).

766856327 is an equidigital number, since it uses as much as digits as its factorization.

766856327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 50.

The square root of 766856327 is about 27692.1708610936. The cubic root of 766856327 is about 915.3165922483.

The spelling of 766856327 in words is "seven hundred sixty-six million, eight hundred fifty-six thousand, three hundred twenty-seven".