768827887 has 2 divisors, whose sum is σ = 768827888. Its totient is φ = 768827886.

The previous prime is 768827861. The next prime is 768827909. The reversal of 768827887 is 788728867.

It is a strong prime.

It is an emirp because it is prime and its reverse (788728867) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 768827887 - 2¹¹ = 768825839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (768827827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384413943 + 384413944.

It is an arithmetic number, because the mean of its divisors is an integer number (384413944).

Almost surely, 2^768827887 is an apocalyptic number.

768827887 is a deficient number, since it is larger than the sum of its proper divisors (1).

768827887 is an equidigital number, since it uses as much as digits as its factorization.

768827887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16859136, while the sum is 61.

The square root of 768827887 is about 27727.7457973056. The cubic root of 768827887 is about 916.1003363041.

The spelling of 768827887 in words is "seven hundred sixty-eight million, eight hundred twenty-seven thousand, eight hundred eighty-seven".